20164515874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{23909}}^1$

素因数の和:24226

約数の個数: 32

約数和(自身を含む): 31877959680

約数和(自身を除く): 11713443806

約数列:

[1, 2, 31, 61, 62, 122, 223, 446, 1891, 3782, 6913, 13603, 13826, 23909, 27206, 47818, 421693, 741179, 843386, 1458449, 1482358, 2916898, 5331707, 10663414, 45211919, 90423838, 165282917, 325234127, 330565834, 650468254, 10082257937, 20164515874]

約数ペア:

[(1, 20164515874), (2, 10082257937), (31, 650468254), (61, 330565834), (62, 325234127), (122, 165282917), (223, 90423838), (446, 45211919), (1891, 10663414), (3782, 5331707), (6913, 2916898), (13603, 1482358), (13826, 1458449), (23909, 843386), (27206, 741179), (47818, 421693)]