20120126313

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{821}}^1\times {\mathrm{4153}}^1$

素因数の和:5265

約数の個数: 32

約数和(自身を含む): 30813242112

約数和(自身を除く): 10693115799

約数列:

[1, 3, 7, 21, 281, 821, 843, 1967, 2463, 4153, 5747, 5901, 12459, 17241, 29071, 87213, 230701, 692103, 1166993, 1614907, 3409613, 3500979, 4844721, 8168951, 10228839, 23867291, 24506853, 71601873, 958101253, 2874303759, 6706708771, 20120126313]

約数ペア:

[(1, 20120126313), (3, 6706708771), (7, 2874303759), (21, 958101253), (281, 71601873), (821, 24506853), (843, 23867291), (1967, 10228839), (2463, 8168951), (4153, 4844721), (5747, 3500979), (5901, 3409613), (12459, 1614907), (17241, 1166993), (29071, 692103), (87213, 230701)]