20295485

素因数分解:

$5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1181}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 27914112

約数和(自身を除く): 7618627

約数列:

[1, 5, 7, 35, 491, 1181, 2455, 3437, 5905, 8267, 17185, 41335, 579871, 2899355, 4059097, 20295485]

約数ペア:

[(1, 20295485), (5, 4059097), (7, 2899355), (35, 579871), (491, 41335), (1181, 17185), (2455, 8267), (3437, 5905)]