20522448

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2756

約数の個数: 60

約数和(自身を含む): 58539780

約数和(自身を除く): 38017332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2689, 3816, 5378, 7632, 8067, 10756, 16134, 21512, 24201, 32268, 43024, 48402, 64536, 96804, 129072, 142517, 193608, 285034, 387216, 427551, 570068, 855102, 1140136, 1282653, 1710204, 2280272, 2565306, 3420408, 5130612, 6840816, 10261224, 20522448]

約数ペア:

[(1, 20522448), (2, 10261224), (3, 6840816), (4, 5130612), (6, 3420408), (8, 2565306), (9, 2280272), (12, 1710204), (16, 1282653), (18, 1140136), (24, 855102), (36, 570068), (48, 427551), (53, 387216), (72, 285034), (106, 193608), (144, 142517), (159, 129072), (212, 96804), (318, 64536), (424, 48402), (477, 43024), (636, 32268), (848, 24201), (954, 21512), (1272, 16134), (1908, 10756), (2544, 8067), (2689, 7632), (3816, 5378)]