20158908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21817}}^1$

素因数の和:21842

約数の個数: 48

約数和(自身を含む): 58646784

約数和(自身を除く): 38487876

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21817, 43634, 65451, 87268, 130902, 152719, 239987, 261804, 305438, 458157, 479974, 610876, 719961, 916314, 959948, 1439922, 1679909, 1832628, 2879844, 3359818, 5039727, 6719636, 10079454, 20158908]

約数ペア:

[(1, 20158908), (2, 10079454), (3, 6719636), (4, 5039727), (6, 3359818), (7, 2879844), (11, 1832628), (12, 1679909), (14, 1439922), (21, 959948), (22, 916314), (28, 719961), (33, 610876), (42, 479974), (44, 458157), (66, 305438), (77, 261804), (84, 239987), (132, 152719), (154, 130902), (231, 87268), (308, 65451), (462, 43634), (924, 21817)]