20825080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14071}}^1$

素因数の和:14119

約数の個数: 32

約数和(自身を含む): 48126240

約数和(自身を除く): 27301160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14071, 28142, 56284, 70355, 112568, 140710, 281420, 520627, 562840, 1041254, 2082508, 2603135, 4165016, 5206270, 10412540, 20825080]

約数ペア:

[(1, 20825080), (2, 10412540), (4, 5206270), (5, 4165016), (8, 2603135), (10, 2082508), (20, 1041254), (37, 562840), (40, 520627), (74, 281420), (148, 140710), (185, 112568), (296, 70355), (370, 56284), (740, 28142), (1480, 14071)]