12720212

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 23473800

約数和(自身を除く): 10753588

約数列:

[1, 2, 4, 29, 53, 58, 106, 116, 212, 1537, 2069, 3074, 4138, 6148, 8276, 60001, 109657, 120002, 219314, 240004, 438628, 3180053, 6360106, 12720212]

約数ペア:

[(1, 12720212), (2, 6360106), (4, 3180053), (29, 438628), (53, 240004), (58, 219314), (106, 120002), (116, 109657), (212, 60001), (1537, 8276), (2069, 6148), (3074, 4138)]