20515692743

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{16871}}^1$

素因数の和:17004

約数の個数: 48

約数和(自身を含む): 27143133696

約数和(自身を除く): 6627440953

約数列:

[1, 7, 13, 23, 49, 83, 91, 161, 299, 581, 637, 1079, 1127, 1909, 2093, 4067, 7553, 13363, 14651, 16871, 24817, 52871, 93541, 118097, 173719, 219323, 388033, 826679, 1216033, 1400293, 1535261, 2716231, 5044429, 9802051, 10746827, 18203809, 19013617, 32206739, 35311003, 68614357, 127426663, 225447173, 247177021, 418687607, 891986641, 1578130211, 2930813249, 20515692743]

約数ペア:

[(1, 20515692743), (7, 2930813249), (13, 1578130211), (23, 891986641), (49, 418687607), (83, 247177021), (91, 225447173), (161, 127426663), (299, 68614357), (581, 35311003), (637, 32206739), (1079, 19013617), (1127, 18203809), (1909, 10746827), (2093, 9802051), (4067, 5044429), (7553, 2716231), (13363, 1535261), (14651, 1400293), (16871, 1216033), (24817, 826679), (52871, 388033), (93541, 219323), (118097, 173719)]