20104635509

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{39499}}^1$

素因数の和:39657

約数の個数: 32

約数和(自身を含む): 25027200000

約数和(自身を除く): 4922564491

約数列:

[1, 7, 19, 43, 89, 133, 301, 623, 817, 1691, 3827, 5719, 11837, 26789, 39499, 72713, 276493, 508991, 750481, 1698457, 3515411, 5253367, 11889199, 24607877, 32270683, 66792809, 151162673, 225894781, 467549663, 1058138711, 2872090787, 20104635509]

約数ペア:

[(1, 20104635509), (7, 2872090787), (19, 1058138711), (43, 467549663), (89, 225894781), (133, 151162673), (301, 66792809), (623, 32270683), (817, 24607877), (1691, 11889199), (3827, 5253367), (5719, 3515411), (11837, 1698457), (26789, 750481), (39499, 508991), (72713, 276493)]