20652495

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 34499520

約数和(自身を除く): 13847025

約数列:

[1, 3, 5, 15, 29, 87, 145, 197, 241, 435, 591, 723, 985, 1205, 2955, 3615, 5713, 6989, 17139, 20967, 28565, 34945, 47477, 85695, 104835, 142431, 237385, 712155, 1376833, 4130499, 6884165, 20652495]

約数ペア:

[(1, 20652495), (3, 6884165), (5, 4130499), (15, 1376833), (29, 712155), (87, 237385), (145, 142431), (197, 104835), (241, 85695), (435, 47477), (591, 34945), (723, 28565), (985, 20967), (1205, 17139), (2955, 6989), (3615, 5713)]