20785986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6833}}^1$

素因数の和:6867

約数の個数: 36

約数和(自身を含む): 48774258

約数和(自身を除く): 27988272

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6833, 13666, 20499, 40998, 61497, 88829, 122994, 177658, 266487, 532974, 799461, 1154777, 1598922, 2309554, 3464331, 6928662, 10392993, 20785986]

約数ペア:

[(1, 20785986), (2, 10392993), (3, 6928662), (6, 3464331), (9, 2309554), (13, 1598922), (18, 1154777), (26, 799461), (39, 532974), (78, 266487), (117, 177658), (169, 122994), (234, 88829), (338, 61497), (507, 40998), (1014, 20499), (1521, 13666), (3042, 6833)]