20281508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1483}}^1$

素因数の和:1763

約数の個数: 24

約数和(自身を含む): 38394048

約数和(自身を除く): 18112540

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 1483, 2966, 3419, 5932, 6838, 13676, 19279, 38558, 77116, 390029, 780058, 1560116, 5070377, 10140754, 20281508]

約数ペア:

[(1, 20281508), (2, 10140754), (4, 5070377), (13, 1560116), (26, 780058), (52, 390029), (263, 77116), (526, 38558), (1052, 19279), (1483, 13676), (2966, 6838), (3419, 5932)]