20210684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5801}}^1$

素因数の和:5885

約数の個数: 24

約数和(自身を含む): 38664528

約数和(自身を除く): 18453844

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5801, 11602, 23204, 75413, 150826, 301652, 388667, 777334, 1554668, 5052671, 10105342, 20210684]

約数ペア:

[(1, 20210684), (2, 10105342), (4, 5052671), (13, 1554668), (26, 777334), (52, 388667), (67, 301652), (134, 150826), (268, 75413), (871, 23204), (1742, 11602), (3484, 5801)]