20669838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2719}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 47523840

約数和(自身を除く): 26854002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 181, 362, 543, 1086, 1267, 2534, 2719, 3801, 5438, 7602, 8157, 16314, 19033, 38066, 57099, 114198, 492139, 984278, 1476417, 2952834, 3444973, 6889946, 10334919, 20669838]

約数ペア:

[(1, 20669838), (2, 10334919), (3, 6889946), (6, 3444973), (7, 2952834), (14, 1476417), (21, 984278), (42, 492139), (181, 114198), (362, 57099), (543, 38066), (1086, 19033), (1267, 16314), (2534, 8157), (2719, 7602), (3801, 5438)]