20403717170

素因数分解:

$2^1\times 5^1\times {\mathrm{44953}}^1\times {\mathrm{45389}}^1$

素因数の和:90349

約数の個数: 16

約数和(自身を含む): 36728317080

約数和(自身を除く): 16324599910

約数列:

[1, 2, 5, 10, 44953, 45389, 89906, 90778, 224765, 226945, 449530, 453890, 2040371717, 4080743434, 10201858585, 20403717170]

約数ペア:

[(1, 20403717170), (2, 10201858585), (5, 4080743434), (10, 2040371717), (44953, 453890), (45389, 449530), (89906, 226945), (90778, 224765)]