20197264

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 40688120

約数和(自身を除く): 20490856

約数列:

[1, 2, 4, 8, 16, 37, 74, 109, 148, 218, 296, 313, 436, 592, 626, 872, 1252, 1744, 2504, 4033, 5008, 8066, 11581, 16132, 23162, 32264, 34117, 46324, 64528, 68234, 92648, 136468, 185296, 272936, 545872, 1262329, 2524658, 5049316, 10098632, 20197264]

約数ペア:

[(1, 20197264), (2, 10098632), (4, 5049316), (8, 2524658), (16, 1262329), (37, 545872), (74, 272936), (109, 185296), (148, 136468), (218, 92648), (296, 68234), (313, 64528), (436, 46324), (592, 34117), (626, 32264), (872, 23162), (1252, 16132), (1744, 11581), (2504, 8066), (4033, 5008)]