20884164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248621}}^1$

素因数の和:248635

約数の個数: 24

約数和(自身を含む): 55691328

約数和(自身を除く): 34807164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248621, 497242, 745863, 994484, 1491726, 1740347, 2983452, 3480694, 5221041, 6961388, 10442082, 20884164]

約数ペア:

[(1, 20884164), (2, 10442082), (3, 6961388), (4, 5221041), (6, 3480694), (7, 2983452), (12, 1740347), (14, 1491726), (21, 994484), (28, 745863), (42, 497242), (84, 248621)]