20129620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2437}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 49150080

約数和(自身を除く): 29020460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2437, 4130, 4874, 8260, 9748, 12185, 17059, 24370, 34118, 48740, 68236, 85295, 143783, 170590, 287566, 341180, 575132, 718915, 1006481, 1437830, 2012962, 2875660, 4025924, 5032405, 10064810, 20129620]

約数ペア:

[(1, 20129620), (2, 10064810), (4, 5032405), (5, 4025924), (7, 2875660), (10, 2012962), (14, 1437830), (20, 1006481), (28, 718915), (35, 575132), (59, 341180), (70, 287566), (118, 170590), (140, 143783), (236, 85295), (295, 68236), (413, 48740), (590, 34118), (826, 24370), (1180, 17059), (1652, 12185), (2065, 9748), (2437, 8260), (4130, 4874)]