20123258268

素因数分解:

$2^2\times 3^1\times {\mathrm{659}}^1\times {\mathrm{1153}}^1\times {\mathrm{2207}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 47087631360

約数和(自身を除く): 26964373092

約数列:

[1, 2, 3, 4, 6, 12, 659, 1153, 1318, 1977, 2207, 2306, 2636, 3459, 3954, 4414, 4612, 6621, 6918, 7908, 8828, 13242, 13836, 26484, 759827, 1454413, 1519654, 2279481, 2544671, 2908826, 3039308, 4363239, 4558962, 5089342, 5817652, 7634013, 8726478, 9117924, 10178684, 15268026, 17452956, 30536052, 1676938189, 3353876378, 5030814567, 6707752756, 10061629134, 20123258268]

約数ペア:

[(1, 20123258268), (2, 10061629134), (3, 6707752756), (4, 5030814567), (6, 3353876378), (12, 1676938189), (659, 30536052), (1153, 17452956), (1318, 15268026), (1977, 10178684), (2207, 9117924), (2306, 8726478), (2636, 7634013), (3459, 5817652), (3954, 5089342), (4414, 4558962), (4612, 4363239), (6621, 3039308), (6918, 2908826), (7908, 2544671), (8828, 2279481), (13242, 1519654), (13836, 1454413), (26484, 759827)]