20431455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11257}}^1$

素因数の和:11287

約数の個数: 24

約数和(自身を含む): 35935536

約数和(自身を除く): 15504081

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11257, 33771, 56285, 123827, 168855, 371481, 619135, 1362097, 1857405, 4086291, 6810485, 20431455]

約数ペア:

[(1, 20431455), (3, 6810485), (5, 4086291), (11, 1857405), (15, 1362097), (33, 619135), (55, 371481), (121, 168855), (165, 123827), (363, 56285), (605, 33771), (1815, 11257)]