20554968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4219}}^1$

素因数の和:4264

約数の個数: 64

約数和(自身を含む): 60768000

約数和(自身を除く): 40213032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4219, 4872, 8438, 12657, 16876, 25314, 29533, 33752, 50628, 59066, 88599, 101256, 118132, 122351, 177198, 236264, 244702, 354396, 367053, 489404, 708792, 734106, 856457, 978808, 1468212, 1712914, 2569371, 2936424, 3425828, 5138742, 6851656, 10277484, 20554968]

約数ペア:

[(1, 20554968), (2, 10277484), (3, 6851656), (4, 5138742), (6, 3425828), (7, 2936424), (8, 2569371), (12, 1712914), (14, 1468212), (21, 978808), (24, 856457), (28, 734106), (29, 708792), (42, 489404), (56, 367053), (58, 354396), (84, 244702), (87, 236264), (116, 177198), (168, 122351), (174, 118132), (203, 101256), (232, 88599), (348, 59066), (406, 50628), (609, 33752), (696, 29533), (812, 25314), (1218, 16876), (1624, 12657), (2436, 8438), (4219, 4872)]