20409948

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14537}}^1$

素因数の和:14563

約数の個数: 48

約数和(自身を含む): 56988960

約数和(自身を除く): 36579012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14537, 29074, 43611, 58148, 87222, 130833, 174444, 188981, 261666, 377962, 392499, 523332, 566943, 755924, 784998, 1133886, 1569996, 1700829, 2267772, 3401658, 5102487, 6803316, 10204974, 20409948]

約数ペア:

[(1, 20409948), (2, 10204974), (3, 6803316), (4, 5102487), (6, 3401658), (9, 2267772), (12, 1700829), (13, 1569996), (18, 1133886), (26, 784998), (27, 755924), (36, 566943), (39, 523332), (52, 392499), (54, 377962), (78, 261666), (108, 188981), (117, 174444), (156, 130833), (234, 87222), (351, 58148), (468, 43611), (702, 29074), (1404, 14537)]