20682112

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 46279440

約数和(自身を除く): 25597328

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 352, 397, 407, 592, 704, 794, 814, 1184, 1408, 1588, 1628, 2368, 3176, 3256, 4367, 4736, 6352, 6512, 8734, 12704, 13024, 14689, 17468, 25408, 26048, 29378, 34936, 50816, 52096, 58756, 69872, 117512, 139744, 161579, 235024, 279488, 323158, 470048, 558976, 646316, 940096, 1292632, 1880192, 2585264, 5170528, 10341056, 20682112]

約数ペア:

[(1, 20682112), (2, 10341056), (4, 5170528), (8, 2585264), (11, 1880192), (16, 1292632), (22, 940096), (32, 646316), (37, 558976), (44, 470048), (64, 323158), (74, 279488), (88, 235024), (128, 161579), (148, 139744), (176, 117512), (296, 69872), (352, 58756), (397, 52096), (407, 50816), (592, 34936), (704, 29378), (794, 26048), (814, 25408), (1184, 17468), (1408, 14689), (1588, 13024), (1628, 12704), (2368, 8734), (3176, 6512), (3256, 6352), (4367, 4736)]