20913966

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26260434

約数列:

[1, 2, 3, 6, 9, 18, 47, 59, 94, 118, 141, 177, 282, 354, 419, 423, 531, 838, 846, 1062, 1257, 2514, 2773, 3771, 5546, 7542, 8319, 16638, 19693, 24721, 24957, 39386, 49442, 49914, 59079, 74163, 118158, 148326, 177237, 222489, 354474, 444978, 1161887, 2323774, 3485661, 6971322, 10456983, 20913966]

約数ペア:

[(1, 20913966), (2, 10456983), (3, 6971322), (6, 3485661), (9, 2323774), (18, 1161887), (47, 444978), (59, 354474), (94, 222489), (118, 177237), (141, 148326), (177, 118158), (282, 74163), (354, 59079), (419, 49914), (423, 49442), (531, 39386), (838, 24957), (846, 24721), (1062, 19693), (1257, 16638), (2514, 8319), (2773, 7542), (3771, 5546)]