20385898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 35884800

約数和(自身を除く): 15498902

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 247, 377, 494, 551, 754, 1102, 1423, 2846, 7163, 14326, 18499, 27037, 36998, 41267, 54074, 82534, 351481, 536471, 702962, 784073, 1072942, 1568146, 10192949, 20385898]

約数ペア:

[(1, 20385898), (2, 10192949), (13, 1568146), (19, 1072942), (26, 784073), (29, 702962), (38, 536471), (58, 351481), (247, 82534), (377, 54074), (494, 41267), (551, 36998), (754, 27037), (1102, 18499), (1423, 14326), (2846, 7163)]