20880688

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{2467}}^1$

素因数の和:2521

約数の個数: 30

約数和(自身を含む): 42308924

約数和(自身を除く): 21428236

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 529, 1058, 2116, 2467, 4232, 4934, 8464, 9868, 19736, 39472, 56741, 113482, 226964, 453928, 907856, 1305043, 2610086, 5220172, 10440344, 20880688]

約数ペア:

[(1, 20880688), (2, 10440344), (4, 5220172), (8, 2610086), (16, 1305043), (23, 907856), (46, 453928), (92, 226964), (184, 113482), (368, 56741), (529, 39472), (1058, 19736), (2116, 9868), (2467, 8464), (4232, 4934)]