20179332

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1151}}^1$

素因数の和:1648

約数の個数: 36

約数和(自身を含む): 51158016

約数和(自身を除く): 30978684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1151, 1461, 1948, 2302, 2922, 3453, 4383, 4604, 5844, 6906, 8766, 10359, 13812, 17532, 20718, 41436, 560537, 1121074, 1681611, 2242148, 3363222, 5044833, 6726444, 10089666, 20179332]

約数ペア:

[(1, 20179332), (2, 10089666), (3, 6726444), (4, 5044833), (6, 3363222), (9, 2242148), (12, 1681611), (18, 1121074), (36, 560537), (487, 41436), (974, 20718), (1151, 17532), (1461, 13812), (1948, 10359), (2302, 8766), (2922, 6906), (3453, 5844), (4383, 4604)]