20147673

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{811}}^1$

素因数の和:854

約数の個数: 36

約数和(自身を含む): 33879888

約数和(自身を除く): 13732215

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 811, 1183, 1911, 2433, 3549, 5677, 8281, 10543, 17031, 24843, 31629, 39739, 73801, 119217, 137059, 221403, 411177, 516607, 959413, 1549821, 2878239, 6715891, 20147673]

約数ペア:

[(1, 20147673), (3, 6715891), (7, 2878239), (13, 1549821), (21, 959413), (39, 516607), (49, 411177), (91, 221403), (147, 137059), (169, 119217), (273, 73801), (507, 39739), (637, 31629), (811, 24843), (1183, 17031), (1911, 10543), (2433, 8281), (3549, 5677)]