20258450

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{4177}}^1$

素因数の和:4286

約数の個数: 24

約数和(自身を含む): 38078292

約数和(自身を除く): 17819842

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4177, 4850, 8354, 20885, 41770, 104425, 208850, 405169, 810338, 2025845, 4051690, 10129225, 20258450]

約数ペア:

[(1, 20258450), (2, 10129225), (5, 4051690), (10, 2025845), (25, 810338), (50, 405169), (97, 208850), (194, 104425), (485, 41770), (970, 20885), (2425, 8354), (4177, 4850)]