20418830

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 37818144

約数和(自身を除く): 17399314

約数列:

[1, 2, 5, 10, 73, 83, 146, 166, 337, 365, 415, 674, 730, 830, 1685, 3370, 6059, 12118, 24601, 27971, 30295, 49202, 55942, 60590, 123005, 139855, 246010, 279710, 2041883, 4083766, 10209415, 20418830]

約数ペア:

[(1, 20418830), (2, 10209415), (5, 4083766), (10, 2041883), (73, 279710), (83, 246010), (146, 139855), (166, 123005), (337, 60590), (365, 55942), (415, 49202), (674, 30295), (730, 27971), (830, 24601), (1685, 12118), (3370, 6059)]