20645056

素因数分解:

$2^6\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1832

約数の個数: 28

約数和(自身を含む): 41198800

約数和(自身を除く): 20553744

約数列:

[1, 2, 4, 8, 16, 32, 64, 199, 398, 796, 1592, 1621, 3184, 3242, 6368, 6484, 12736, 12968, 25936, 51872, 103744, 322579, 645158, 1290316, 2580632, 5161264, 10322528, 20645056]

約数ペア:

[(1, 20645056), (2, 10322528), (4, 5161264), (8, 2580632), (16, 1290316), (32, 645158), (64, 322579), (199, 103744), (398, 51872), (796, 25936), (1592, 12968), (1621, 12736), (3184, 6484), (3242, 6368)]