20875642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13399}}^1$

素因数の和:13461

約数の個数: 16

約数和(自身を含む): 33768000

約数和(自身を除く): 12892358

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13399, 26798, 254581, 509162, 549359, 1098718, 10437821, 20875642]

約数ペア:

[(1, 20875642), (2, 10437821), (19, 1098718), (38, 549359), (41, 509162), (82, 254581), (779, 26798), (1558, 13399)]