20162861397

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{21481}}^1$

素因数の和:21858

約数の個数: 48

約数和(自身を含む): 34101729792

約数和(自身を除く): 13938868395

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 317, 329, 423, 951, 987, 2219, 2853, 2961, 6657, 14899, 19971, 21481, 44697, 64443, 104293, 134091, 150367, 193329, 312879, 451101, 938637, 1009607, 1353303, 3028821, 6809477, 7067249, 9086463, 20428431, 21201747, 47666339, 61285293, 63605241, 142999017, 320045419, 428997051, 960136257, 2240317933, 2880408771, 6720953799, 20162861397]

約数ペア:

[(1, 20162861397), (3, 6720953799), (7, 2880408771), (9, 2240317933), (21, 960136257), (47, 428997051), (63, 320045419), (141, 142999017), (317, 63605241), (329, 61285293), (423, 47666339), (951, 21201747), (987, 20428431), (2219, 9086463), (2853, 7067249), (2961, 6809477), (6657, 3028821), (14899, 1353303), (19971, 1009607), (21481, 938637), (44697, 451101), (64443, 312879), (104293, 193329), (134091, 150367)]