20811966

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2441}}^1$

素因数の和:2489

約数の個数: 48

約数和(自身を含む): 50109840

約数和(自身を除く): 29297874

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 406, 609, 1218, 1421, 2441, 2842, 4263, 4882, 7323, 8526, 14646, 17087, 34174, 51261, 70789, 102522, 119609, 141578, 212367, 239218, 358827, 424734, 495523, 717654, 991046, 1486569, 2973138, 3468661, 6937322, 10405983, 20811966]

約数ペア:

[(1, 20811966), (2, 10405983), (3, 6937322), (6, 3468661), (7, 2973138), (14, 1486569), (21, 991046), (29, 717654), (42, 495523), (49, 424734), (58, 358827), (87, 239218), (98, 212367), (147, 141578), (174, 119609), (203, 102522), (294, 70789), (406, 51261), (609, 34174), (1218, 17087), (1421, 14646), (2441, 8526), (2842, 7323), (4263, 4882)]