20996821314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1474703}}^1$

素因数の和:1474831

約数の個数: 48

約数和(自身を含む): 52452271872

約数和(自身を除く): 31455450558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1582, 2034, 2373, 4746, 7119, 14238, 1474703, 2949406, 4424109, 8848218, 10322921, 13272327, 20645842, 26544654, 30968763, 61937526, 92906289, 166641439, 185812578, 333282878, 499924317, 999848634, 1166490073, 1499772951, 2332980146, 2999545902, 3499470219, 6998940438, 10498410657, 20996821314]

約数ペア:

[(1, 20996821314), (2, 10498410657), (3, 6998940438), (6, 3499470219), (7, 2999545902), (9, 2332980146), (14, 1499772951), (18, 1166490073), (21, 999848634), (42, 499924317), (63, 333282878), (113, 185812578), (126, 166641439), (226, 92906289), (339, 61937526), (678, 30968763), (791, 26544654), (1017, 20645842), (1582, 13272327), (2034, 10322921), (2373, 8848218), (4746, 4424109), (7119, 2949406), (14238, 1474703)]