20647692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44119}}^1$

素因数の和:44142

約数の個数: 36

約数和(自身を含む): 56208880

約数和(自身を除く): 35561188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44119, 88238, 132357, 176476, 264714, 397071, 529428, 573547, 794142, 1147094, 1588284, 1720641, 2294188, 3441282, 5161923, 6882564, 10323846, 20647692]

約数ペア:

[(1, 20647692), (2, 10323846), (3, 6882564), (4, 5161923), (6, 3441282), (9, 2294188), (12, 1720641), (13, 1588284), (18, 1147094), (26, 794142), (36, 573547), (39, 529428), (52, 397071), (78, 264714), (117, 176476), (156, 132357), (234, 88238), (468, 44119)]