20212461985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{15101}}^1$

素因数の和:15345

約数の個数: 32

約数和(自身を含む): 25783100928

約数和(自身を除く): 5570638943

約数列:

[1, 5, 23, 103, 113, 115, 515, 565, 2369, 2599, 11639, 11845, 12995, 15101, 58195, 75505, 267697, 347323, 1338485, 1555403, 1706413, 1736615, 7777015, 8532065, 35774269, 39247499, 175760539, 178871345, 196237495, 878802695, 4042492397, 20212461985]

約数ペア:

[(1, 20212461985), (5, 4042492397), (23, 878802695), (103, 196237495), (113, 178871345), (115, 175760539), (515, 39247499), (565, 35774269), (2369, 8532065), (2599, 7777015), (11639, 1736615), (11845, 1706413), (12995, 1555403), (15101, 1338485), (58195, 347323), (75505, 267697)]