20694804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 53004672

約数和(自身を除く): 32309868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2503, 2756, 4134, 5006, 7509, 8268, 10012, 15018, 30036, 32539, 65078, 97617, 130156, 132659, 195234, 265318, 390468, 397977, 530636, 795954, 1591908, 1724567, 3449134, 5173701, 6898268, 10347402, 20694804]

約数ペア:

[(1, 20694804), (2, 10347402), (3, 6898268), (4, 5173701), (6, 3449134), (12, 1724567), (13, 1591908), (26, 795954), (39, 530636), (52, 397977), (53, 390468), (78, 265318), (106, 195234), (156, 132659), (159, 130156), (212, 97617), (318, 65078), (636, 32539), (689, 30036), (1378, 15018), (2067, 10012), (2503, 8268), (2756, 7509), (4134, 5006)]