20408608190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70374511}}^1$

素因数の和:70374547

約数の個数: 16

約数和(自身を含む): 38002236480

約数和(自身を除く): 17593628290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70374511, 140749022, 351872555, 703745110, 2040860819, 4081721638, 10204304095, 20408608190]

約数ペア:

[(1, 20408608190), (2, 10204304095), (5, 4081721638), (10, 2040860819), (29, 703745110), (58, 351872555), (145, 140749022), (290, 70374511)]