20378664

素因数分解:

$2^3\times 3^2\times {\mathrm{383}}^1\times {\mathrm{739}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 55411200

約数和(自身を除く): 35032536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 383, 739, 766, 1149, 1478, 1532, 2217, 2298, 2956, 3064, 3447, 4434, 4596, 5912, 6651, 6894, 8868, 9192, 13302, 13788, 17736, 26604, 27576, 53208, 283037, 566074, 849111, 1132148, 1698222, 2264296, 2547333, 3396444, 5094666, 6792888, 10189332, 20378664]

約数ペア:

[(1, 20378664), (2, 10189332), (3, 6792888), (4, 5094666), (6, 3396444), (8, 2547333), (9, 2264296), (12, 1698222), (18, 1132148), (24, 849111), (36, 566074), (72, 283037), (383, 53208), (739, 27576), (766, 26604), (1149, 17736), (1478, 13788), (1532, 13302), (2217, 9192), (2298, 8868), (2956, 6894), (3064, 6651), (3447, 5912), (4434, 4596)]