20791924

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 37195200

約数和(自身を除く): 16403276

約数列:

[1, 2, 4, 71, 142, 179, 284, 358, 409, 716, 818, 1636, 12709, 25418, 29039, 50836, 58078, 73211, 116156, 146422, 292844, 5197981, 10395962, 20791924]

約数ペア:

[(1, 20791924), (2, 10395962), (4, 5197981), (71, 292844), (142, 146422), (179, 116156), (284, 73211), (358, 58078), (409, 50836), (716, 29039), (818, 25418), (1636, 12709)]