20806506768

素因数分解:

$2^4\times 3^1\times {\mathrm{2851}}^1\times {\mathrm{152041}}^1$

素因数の和:154903

約数の個数: 40

約数和(自身を含む): 53769349216

約数和(自身を除く): 32962842448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 2851, 5702, 8553, 11404, 17106, 22808, 34212, 45616, 68424, 136848, 152041, 304082, 456123, 608164, 912246, 1216328, 1824492, 2432656, 3648984, 7297968, 433468891, 866937782, 1300406673, 1733875564, 2600813346, 3467751128, 5201626692, 6935502256, 10403253384, 20806506768]

約数ペア:

[(1, 20806506768), (2, 10403253384), (3, 6935502256), (4, 5201626692), (6, 3467751128), (8, 2600813346), (12, 1733875564), (16, 1300406673), (24, 866937782), (48, 433468891), (2851, 7297968), (5702, 3648984), (8553, 2432656), (11404, 1824492), (17106, 1216328), (22808, 912246), (34212, 608164), (45616, 456123), (68424, 304082), (136848, 152041)]