20308744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2531}}^1$

素因数の和:2613

約数の個数: 32

約数和(自身を含む): 41018400

約数和(自身を除く): 20709656

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 2531, 4012, 5062, 8024, 10124, 20248, 43027, 86054, 149329, 172108, 298658, 344216, 597316, 1194632, 2538593, 5077186, 10154372, 20308744]

約数ペア:

[(1, 20308744), (2, 10154372), (4, 5077186), (8, 2538593), (17, 1194632), (34, 597316), (59, 344216), (68, 298658), (118, 172108), (136, 149329), (236, 86054), (472, 43027), (1003, 20248), (2006, 10124), (2531, 8024), (4012, 5062)]