20547340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1583}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 27352820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1583, 2596, 3166, 3245, 6332, 6490, 7915, 12980, 15830, 17413, 31660, 34826, 69652, 87065, 93397, 174130, 186794, 348260, 373588, 466985, 933970, 1027367, 1867940, 2054734, 4109468, 5136835, 10273670, 20547340]

約数ペア:

[(1, 20547340), (2, 10273670), (4, 5136835), (5, 4109468), (10, 2054734), (11, 1867940), (20, 1027367), (22, 933970), (44, 466985), (55, 373588), (59, 348260), (110, 186794), (118, 174130), (220, 93397), (236, 87065), (295, 69652), (590, 34826), (649, 31660), (1180, 17413), (1298, 15830), (1583, 12980), (2596, 7915), (3166, 6490), (3245, 6332)]