20633600

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 56871360

約数和(自身を除く): 36237760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 256, 260, 310, 320, 325, 400, 403, 416, 496, 512, 520, 620, 640, 650, 775, 800, 806, 832, 992, 1024, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1984, 2015, 2048, 2080, 2480, 2560, 2600, 3100, 3200, 3224, 3328, 3968, 4030, 4160, 4960, 5120, 5200, 6200, 6400, 6448, 6656, 7936, 8060, 8320, 9920, 10075, 10240, 10400, 12400, 12800, 12896, 13312, 15872, 16120, 16640, 19840, 20150, 20800, 24800, 25600, 25792, 26624, 31744, 32240, 33280, 39680, 40300, 41600, 49600, 51200, 51584, 63488, 64480, 66560, 79360, 80600, 83200, 99200, 103168, 128960, 133120, 158720, 161200, 166400, 198400, 206336, 257920, 317440, 322400, 332800, 396800, 412672, 515840, 644800, 665600, 793600, 825344, 1031680, 1289600, 1587200, 2063360, 2579200, 4126720, 5158400, 10316800, 20633600]

約数ペア:

[(1, 20633600), (2, 10316800), (4, 5158400), (5, 4126720), (8, 2579200), (10, 2063360), (13, 1587200), (16, 1289600), (20, 1031680), (25, 825344), (26, 793600), (31, 665600), (32, 644800), (40, 515840), (50, 412672), (52, 396800), (62, 332800), (64, 322400), (65, 317440), (80, 257920), (100, 206336), (104, 198400), (124, 166400), (128, 161200), (130, 158720), (155, 133120), (160, 128960), (200, 103168), (208, 99200), (248, 83200), (256, 80600), (260, 79360), (310, 66560), (320, 64480), (325, 63488), (400, 51584), (403, 51200), (416, 49600), (496, 41600), (512, 40300), (520, 39680), (620, 33280), (640, 32240), (650, 31744), (775, 26624), (800, 25792), (806, 25600), (832, 24800), (992, 20800), (1024, 20150), (1040, 19840), (1240, 16640), (1280, 16120), (1300, 15872), (1550, 13312), (1600, 12896), (1612, 12800), (1664, 12400), (1984, 10400), (2015, 10240), (2048, 10075), (2080, 9920), (2480, 8320), (2560, 8060), (2600, 7936), (3100, 6656), (3200, 6448), (3224, 6400), (3328, 6200), (3968, 5200), (4030, 5120), (4160, 4960)]