20128088402

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1\times {\mathrm{1979}}^1$

素因数の和:2690

約数の個数: 32

約数和(自身を含む): 30875644800

約数和(自身を除く): 10747556398

約数列:

[1, 2, 97, 103, 194, 206, 509, 1018, 1979, 3958, 9991, 19982, 49373, 52427, 98746, 104854, 191963, 203837, 383926, 407674, 1007311, 2014622, 5085419, 10170838, 19772189, 39544378, 97709167, 103753033, 195418334, 207506066, 10064044201, 20128088402]

約数ペア:

[(1, 20128088402), (2, 10064044201), (97, 207506066), (103, 195418334), (194, 103753033), (206, 97709167), (509, 39544378), (1018, 19772189), (1979, 10170838), (3958, 5085419), (9991, 2014622), (19982, 1007311), (49373, 407674), (52427, 383926), (98746, 203837), (104854, 191963)]