20923204

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 37979480

約数和(自身を除く): 17056276

約数列:

[1, 2, 4, 37, 74, 109, 148, 218, 436, 1297, 2594, 4033, 5188, 8066, 16132, 47989, 95978, 141373, 191956, 282746, 565492, 5230801, 10461602, 20923204]

約数ペア:

[(1, 20923204), (2, 10461602), (4, 5230801), (37, 565492), (74, 282746), (109, 191956), (148, 141373), (218, 95978), (436, 47989), (1297, 16132), (2594, 8066), (4033, 5188)]