20543660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14071}}^1$

素因数の和:14153

約数の個数: 24

約数和(自身を含む): 43735776

約数和(自身を除く): 23192116

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14071, 28142, 56284, 70355, 140710, 281420, 1027183, 2054366, 4108732, 5135915, 10271830, 20543660]

約数ペア:

[(1, 20543660), (2, 10271830), (4, 5135915), (5, 4108732), (10, 2054366), (20, 1027183), (73, 281420), (146, 140710), (292, 70355), (365, 56284), (730, 28142), (1460, 14071)]