20889770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11171}}^1$

素因数の和:11206

約数の個数: 32

約数和(自身を含む): 43436736

約数和(自身を除く): 22546966

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11171, 22342, 55855, 111710, 122881, 189907, 245762, 379814, 614405, 949535, 1228810, 1899070, 2088977, 4177954, 10444885, 20889770]

約数ペア:

[(1, 20889770), (2, 10444885), (5, 4177954), (10, 2088977), (11, 1899070), (17, 1228810), (22, 949535), (34, 614405), (55, 379814), (85, 245762), (110, 189907), (170, 122881), (187, 111710), (374, 55855), (935, 22342), (1870, 11171)]