20742306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 44851968

約数和(自身を除く): 24109662

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 431, 617, 862, 1234, 1293, 1851, 2586, 3702, 5603, 8021, 11206, 16042, 16809, 24063, 33618, 48126, 265927, 531854, 797781, 1595562, 3457051, 6914102, 10371153, 20742306]

約数ペア:

[(1, 20742306), (2, 10371153), (3, 6914102), (6, 3457051), (13, 1595562), (26, 797781), (39, 531854), (78, 265927), (431, 48126), (617, 33618), (862, 24063), (1234, 16809), (1293, 16042), (1851, 11206), (2586, 8021), (3702, 5603)]