20171644647

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{479}}^1\times {\mathrm{16573}}^1$

素因数の和:17084

約数の個数: 48

約数和(自身を含む): 33858693120

約数和(自身を除く): 13687048473

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 479, 847, 1437, 2541, 3353, 5269, 10059, 15807, 16573, 36883, 49719, 57959, 110649, 116011, 173877, 182303, 348033, 405713, 546909, 1217139, 1276121, 2005333, 3828363, 6015999, 7938467, 14037331, 23815401, 42111993, 55569269, 87323137, 166707807, 261969411, 611261959, 960554507, 1833785877, 2881663521, 6723881549, 20171644647]

約数ペア:

[(1, 20171644647), (3, 6723881549), (7, 2881663521), (11, 1833785877), (21, 960554507), (33, 611261959), (77, 261969411), (121, 166707807), (231, 87323137), (363, 55569269), (479, 42111993), (847, 23815401), (1437, 14037331), (2541, 7938467), (3353, 6015999), (5269, 3828363), (10059, 2005333), (15807, 1276121), (16573, 1217139), (36883, 546909), (49719, 405713), (57959, 348033), (110649, 182303), (116011, 173877)]