20870854578

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55213901}}^1$

素因数の和:55213919

約数の個数: 32

約数和(自身を含む): 53005345920

約数和(自身を除く): 32134491342

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55213901, 110427802, 165641703, 331283406, 386497307, 496925109, 772994614, 993850218, 1159491921, 1490775327, 2318983842, 2981550654, 3478475763, 6956951526, 10435427289, 20870854578]

約数ペア:

[(1, 20870854578), (2, 10435427289), (3, 6956951526), (6, 3478475763), (7, 2981550654), (9, 2318983842), (14, 1490775327), (18, 1159491921), (21, 993850218), (27, 772994614), (42, 496925109), (54, 386497307), (63, 331283406), (126, 165641703), (189, 110427802), (378, 55213901)]