20381676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{242639}}^1$

素因数の和:242653

約数の個数: 24

約数和(自身を含む): 54351360

約数和(自身を除く): 33969684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 242639, 485278, 727917, 970556, 1455834, 1698473, 2911668, 3396946, 5095419, 6793892, 10190838, 20381676]

約数ペア:

[(1, 20381676), (2, 10190838), (3, 6793892), (4, 5095419), (6, 3396946), (7, 2911668), (12, 1698473), (14, 1455834), (21, 970556), (28, 727917), (42, 485278), (84, 242639)]