20677706

素因数分解:

$2^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{821}}^1$

素因数の和:1094

約数の個数: 24

約数和(自身を含む): 36264996

約数和(自身を除く): 15587290

約数列:

[1, 2, 7, 14, 49, 98, 257, 514, 821, 1642, 1799, 3598, 5747, 11494, 12593, 25186, 40229, 80458, 210997, 421994, 1476979, 2953958, 10338853, 20677706]

約数ペア:

[(1, 20677706), (2, 10338853), (7, 2953958), (14, 1476979), (49, 421994), (98, 210997), (257, 80458), (514, 40229), (821, 25186), (1642, 12593), (1799, 11494), (3598, 5747)]