20974953

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{433}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 28567616

約数和(自身を除く): 7592663

約数列:

[1, 3, 67, 201, 241, 433, 723, 1299, 16147, 29011, 48441, 87033, 104353, 313059, 6991651, 20974953]

約数ペア:

[(1, 20974953), (3, 6991651), (67, 313059), (201, 104353), (241, 87033), (433, 48441), (723, 29011), (1299, 16147)]