20017635

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 16179645

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 121, 123, 165, 205, 269, 363, 451, 605, 615, 807, 1345, 1353, 1815, 2255, 2959, 4035, 4961, 6765, 8877, 11029, 14795, 14883, 24805, 32549, 33087, 44385, 55145, 74415, 97647, 121319, 162745, 165435, 363957, 488235, 606595, 1334509, 1819785, 4003527, 6672545, 20017635]

約数ペア:

[(1, 20017635), (3, 6672545), (5, 4003527), (11, 1819785), (15, 1334509), (33, 606595), (41, 488235), (55, 363957), (121, 165435), (123, 162745), (165, 121319), (205, 97647), (269, 74415), (363, 55145), (451, 44385), (605, 33087), (615, 32549), (807, 24805), (1345, 14883), (1353, 14795), (1815, 11029), (2255, 8877), (2959, 6765), (4035, 4961)]