20618185472

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{5483}}^1$

素因数の和:5933

約数の個数: 72

約数和(自身を含む): 42382348176

約数和(自身を除く): 21764162704

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 397, 592, 794, 1184, 1588, 2368, 3176, 4736, 5483, 6352, 9472, 10966, 12704, 14689, 21932, 25408, 29378, 43864, 50816, 58756, 87728, 101632, 117512, 175456, 202871, 235024, 350912, 405742, 470048, 701824, 811484, 940096, 1403648, 1622968, 1880192, 2176751, 3245936, 3760384, 4353502, 6491872, 8707004, 12983744, 17414008, 25967488, 34828016, 51934976, 69656032, 80539787, 139312064, 161079574, 278624128, 322159148, 557248256, 644318296, 1288636592, 2577273184, 5154546368, 10309092736, 20618185472]

約数ペア:

[(1, 20618185472), (2, 10309092736), (4, 5154546368), (8, 2577273184), (16, 1288636592), (32, 644318296), (37, 557248256), (64, 322159148), (74, 278624128), (128, 161079574), (148, 139312064), (256, 80539787), (296, 69656032), (397, 51934976), (592, 34828016), (794, 25967488), (1184, 17414008), (1588, 12983744), (2368, 8707004), (3176, 6491872), (4736, 4353502), (5483, 3760384), (6352, 3245936), (9472, 2176751), (10966, 1880192), (12704, 1622968), (14689, 1403648), (21932, 940096), (25408, 811484), (29378, 701824), (43864, 470048), (50816, 405742), (58756, 350912), (87728, 235024), (101632, 202871), (117512, 175456)]