20421932

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1049}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 37161600

約数和(自身を除く): 16739668

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 1049, 2098, 4196, 4867, 9734, 19468, 32519, 65038, 130076, 164693, 329386, 658772, 5105483, 10210966, 20421932]

約数ペア:

[(1, 20421932), (2, 10210966), (4, 5105483), (31, 658772), (62, 329386), (124, 164693), (157, 130076), (314, 65038), (628, 32519), (1049, 19468), (2098, 9734), (4196, 4867)]