20199168717

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{556313}}^1$

素因数の和:556362

約数の個数: 48

約数和(自身を含む): 35515085760

約数和(自身を除く): 15315917043

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 931, 1729, 1911, 2793, 5187, 12103, 36309, 556313, 1668939, 3894191, 7232069, 10569947, 11682573, 21696207, 27259337, 31709841, 50624483, 73989629, 81778011, 137409311, 151873449, 221968887, 354371381, 412227933, 517927403, 961865177, 1063114143, 1553782209, 2885595531, 6733056239, 20199168717]

約数ペア:

[(1, 20199168717), (3, 6733056239), (7, 2885595531), (13, 1553782209), (19, 1063114143), (21, 961865177), (39, 517927403), (49, 412227933), (57, 354371381), (91, 221968887), (133, 151873449), (147, 137409311), (247, 81778011), (273, 73989629), (399, 50624483), (637, 31709841), (741, 27259337), (931, 21696207), (1729, 11682573), (1911, 10569947), (2793, 7232069), (5187, 3894191), (12103, 1668939), (36309, 556313)]