20888892

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1447}}^1$

素因数の和:1858

約数の個数: 36

約数和(自身を含む): 52970736

約数和(自身を除く): 32081844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1447, 1604, 2406, 2894, 3609, 4341, 4812, 5788, 7218, 8682, 13023, 14436, 17364, 26046, 52092, 580247, 1160494, 1740741, 2320988, 3481482, 5222223, 6962964, 10444446, 20888892]

約数ペア:

[(1, 20888892), (2, 10444446), (3, 6962964), (4, 5222223), (6, 3481482), (9, 2320988), (12, 1740741), (18, 1160494), (36, 580247), (401, 52092), (802, 26046), (1203, 17364), (1447, 14436), (1604, 13023), (2406, 8682), (2894, 7218), (3609, 5788), (4341, 4812)]