20324800

素因数分解:

$2^6\times 5^2\times {\mathrm{12703}}^1$

素因数の和:12725

約数の個数: 42

約数和(自身を含む): 50015648

約数和(自身を除く): 29690848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12703, 25406, 50812, 63515, 101624, 127030, 203248, 254060, 317575, 406496, 508120, 635150, 812992, 1016240, 1270300, 2032480, 2540600, 4064960, 5081200, 10162400, 20324800]

約数ペア:

[(1, 20324800), (2, 10162400), (4, 5081200), (5, 4064960), (8, 2540600), (10, 2032480), (16, 1270300), (20, 1016240), (25, 812992), (32, 635150), (40, 508120), (50, 406496), (64, 317575), (80, 254060), (100, 203248), (160, 127030), (200, 101624), (320, 63515), (400, 50812), (800, 25406), (1600, 12703)]