20433710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^2$

素因数の和:880

約数の個数: 24

約数和(自身を含む): 40217688

約数和(自身を除く): 19783978

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 431, 862, 2155, 4310, 4741, 9482, 23705, 47410, 185761, 371522, 928805, 1857610, 2043371, 4086742, 10216855, 20433710]

約数ペア:

[(1, 20433710), (2, 10216855), (5, 4086742), (10, 2043371), (11, 1857610), (22, 928805), (55, 371522), (110, 185761), (431, 47410), (862, 23705), (2155, 9482), (4310, 4741)]