20618976

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:584

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 42376992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 84, 96, 112, 122, 168, 183, 224, 244, 336, 366, 427, 488, 503, 672, 732, 854, 976, 1006, 1281, 1464, 1509, 1708, 1952, 2012, 2562, 2928, 3018, 3416, 3521, 4024, 5124, 5856, 6036, 6832, 7042, 8048, 10248, 10563, 12072, 13664, 14084, 16096, 20496, 21126, 24144, 28168, 30683, 40992, 42252, 48288, 56336, 61366, 84504, 92049, 112672, 122732, 169008, 184098, 214781, 245464, 338016, 368196, 429562, 490928, 644343, 736392, 859124, 981856, 1288686, 1472784, 1718248, 2577372, 2945568, 3436496, 5154744, 6872992, 10309488, 20618976]

約数ペア:

[(1, 20618976), (2, 10309488), (3, 6872992), (4, 5154744), (6, 3436496), (7, 2945568), (8, 2577372), (12, 1718248), (14, 1472784), (16, 1288686), (21, 981856), (24, 859124), (28, 736392), (32, 644343), (42, 490928), (48, 429562), (56, 368196), (61, 338016), (84, 245464), (96, 214781), (112, 184098), (122, 169008), (168, 122732), (183, 112672), (224, 92049), (244, 84504), (336, 61366), (366, 56336), (427, 48288), (488, 42252), (503, 40992), (672, 30683), (732, 28168), (854, 24144), (976, 21126), (1006, 20496), (1281, 16096), (1464, 14084), (1509, 13664), (1708, 12072), (1952, 10563), (2012, 10248), (2562, 8048), (2928, 7042), (3018, 6832), (3416, 6036), (3521, 5856), (4024, 5124)]