20145656565

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{20443}}^1$

素因数の和:20874

約数の個数: 48

約数和(自身を含む): 35592186240

約数和(自身を除く): 15446529675

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 359, 549, 915, 1077, 1795, 2745, 3231, 5385, 16155, 20443, 21899, 61329, 65697, 102215, 109495, 183987, 197091, 306645, 328485, 919935, 985455, 1247023, 3741069, 6235115, 7339037, 11223207, 18705345, 22017111, 36695185, 56116035, 66051333, 110085555, 330256665, 447681257, 1343043771, 2238406285, 4029131313, 6715218855, 20145656565]

約数ペア:

[(1, 20145656565), (3, 6715218855), (5, 4029131313), (9, 2238406285), (15, 1343043771), (45, 447681257), (61, 330256665), (183, 110085555), (305, 66051333), (359, 56116035), (549, 36695185), (915, 22017111), (1077, 18705345), (1795, 11223207), (2745, 7339037), (3231, 6235115), (5385, 3741069), (16155, 1247023), (20443, 985455), (21899, 919935), (61329, 328485), (65697, 306645), (102215, 197091), (109495, 183987)]