20272468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1699}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 37604000

約数和(自身を除く): 17331532

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 1699, 2983, 3398, 5966, 6796, 11932, 32281, 64562, 129124, 266743, 533486, 1066972, 5068117, 10136234, 20272468]

約数ペア:

[(1, 20272468), (2, 10136234), (4, 5068117), (19, 1066972), (38, 533486), (76, 266743), (157, 129124), (314, 64562), (628, 32281), (1699, 11932), (2983, 6796), (3398, 5966)]