20106444800

素因数分解:

$2^{20}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 252

約数和(自身を含む): 54609812040

約数和(自身を除く): 34503367240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 59, 64, 65, 80, 100, 104, 118, 128, 130, 160, 200, 208, 236, 256, 260, 295, 320, 325, 400, 416, 472, 512, 520, 590, 640, 650, 767, 800, 832, 944, 1024, 1040, 1180, 1280, 1300, 1475, 1534, 1600, 1664, 1888, 2048, 2080, 2360, 2560, 2600, 2950, 3068, 3200, 3328, 3776, 3835, 4096, 4160, 4720, 5120, 5200, 5900, 6136, 6400, 6656, 7552, 7670, 8192, 8320, 9440, 10240, 10400, 11800, 12272, 12800, 13312, 15104, 15340, 16384, 16640, 18880, 19175, 20480, 20800, 23600, 24544, 25600, 26624, 30208, 30680, 32768, 33280, 37760, 38350, 40960, 41600, 47200, 49088, 51200, 53248, 60416, 61360, 65536, 66560, 75520, 76700, 81920, 83200, 94400, 98176, 102400, 106496, 120832, 122720, 131072, 133120, 151040, 153400, 163840, 166400, 188800, 196352, 204800, 212992, 241664, 245440, 262144, 266240, 302080, 306800, 327680, 332800, 377600, 392704, 409600, 425984, 483328, 490880, 524288, 532480, 604160, 613600, 655360, 665600, 755200, 785408, 819200, 851968, 966656, 981760, 1048576, 1064960, 1208320, 1227200, 1310720, 1331200, 1510400, 1570816, 1638400, 1703936, 1933312, 1963520, 2129920, 2416640, 2454400, 2621440, 2662400, 3020800, 3141632, 3276800, 3407872, 3866624, 3927040, 4259840, 4833280, 4908800, 5242880, 5324800, 6041600, 6283264, 6553600, 6815744, 7733248, 7854080, 8519680, 9666560, 9817600, 10649600, 12083200, 12566528, 13107200, 13631488, 15466496, 15708160, 17039360, 19333120, 19635200, 21299200, 24166400, 25133056, 26214400, 30932992, 31416320, 34078720, 38666240, 39270400, 42598400, 48332800, 50266112, 61865984, 62832640, 68157440, 77332480, 78540800, 85196800, 96665600, 100532224, 125665280, 154664960, 157081600, 170393600, 193331200, 201064448, 251330560, 309329920, 314163200, 340787200, 386662400, 402128896, 502661120, 628326400, 773324800, 804257792, 1005322240, 1256652800, 1546649600, 2010644480, 2513305600, 4021288960, 5026611200, 10053222400, 20106444800]

約数ペア:

[(1, 20106444800), (2, 10053222400), (4, 5026611200), (5, 4021288960), (8, 2513305600), (10, 2010644480), (13, 1546649600), (16, 1256652800), (20, 1005322240), (25, 804257792), (26, 773324800), (32, 628326400), (40, 502661120), (50, 402128896), (52, 386662400), (59, 340787200), (64, 314163200), (65, 309329920), (80, 251330560), (100, 201064448), (104, 193331200), (118, 170393600), (128, 157081600), (130, 154664960), (160, 125665280), (200, 100532224), (208, 96665600), (236, 85196800), (256, 78540800), (260, 77332480), (295, 68157440), (320, 62832640), (325, 61865984), (400, 50266112), (416, 48332800), (472, 42598400), (512, 39270400), (520, 38666240), (590, 34078720), (640, 31416320), (650, 30932992), (767, 26214400), (800, 25133056), (832, 24166400), (944, 21299200), (1024, 19635200), (1040, 19333120), (1180, 17039360), (1280, 15708160), (1300, 15466496), (1475, 13631488), (1534, 13107200), (1600, 12566528), (1664, 12083200), (1888, 10649600), (2048, 9817600), (2080, 9666560), (2360, 8519680), (2560, 7854080), (2600, 7733248), (2950, 6815744), (3068, 6553600), (3200, 6283264), (3328, 6041600), (3776, 5324800), (3835, 5242880), (4096, 4908800), (4160, 4833280), (4720, 4259840), (5120, 3927040), (5200, 3866624), (5900, 3407872), (6136, 3276800), (6400, 3141632), (6656, 3020800), (7552, 2662400), (7670, 2621440), (8192, 2454400), (8320, 2416640), (9440, 2129920), (10240, 1963520), (10400, 1933312), (11800, 1703936), (12272, 1638400), (12800, 1570816), (13312, 1510400), (15104, 1331200), (15340, 1310720), (16384, 1227200), (16640, 1208320), (18880, 1064960), (19175, 1048576), (20480, 981760), (20800, 966656), (23600, 851968), (24544, 819200), (25600, 785408), (26624, 755200), (30208, 665600), (30680, 655360), (32768, 613600), (33280, 604160), (37760, 532480), (38350, 524288), (40960, 490880), (41600, 483328), (47200, 425984), (49088, 409600), (51200, 392704), (53248, 377600), (60416, 332800), (61360, 327680), (65536, 306800), (66560, 302080), (75520, 266240), (76700, 262144), (81920, 245440), (83200, 241664), (94400, 212992), (98176, 204800), (102400, 196352), (106496, 188800), (120832, 166400), (122720, 163840), (131072, 153400), (133120, 151040)]