20508696

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21911}}^1$

素因数の和:21936

約数の個数: 48

約数和(自身を含む): 59819760

約数和(自身を除く): 39311064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21911, 43822, 65733, 87644, 131466, 175288, 197199, 262932, 284843, 394398, 525864, 569686, 788796, 854529, 1139372, 1577592, 1709058, 2278744, 2563587, 3418116, 5127174, 6836232, 10254348, 20508696]

約数ペア:

[(1, 20508696), (2, 10254348), (3, 6836232), (4, 5127174), (6, 3418116), (8, 2563587), (9, 2278744), (12, 1709058), (13, 1577592), (18, 1139372), (24, 854529), (26, 788796), (36, 569686), (39, 525864), (52, 394398), (72, 284843), (78, 262932), (104, 197199), (117, 175288), (156, 131466), (234, 87644), (312, 65733), (468, 43822), (936, 21911)]