20746400

素因数分解:

$2^5\times 5^2\times {\mathrm{25933}}^1$

素因数の和:25953

約数の個数: 36

約数和(自身を含む): 50649102

約数和(自身を除く): 29902702

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25933, 51866, 103732, 129665, 207464, 259330, 414928, 518660, 648325, 829856, 1037320, 1296650, 2074640, 2593300, 4149280, 5186600, 10373200, 20746400]

約数ペア:

[(1, 20746400), (2, 10373200), (4, 5186600), (5, 4149280), (8, 2593300), (10, 2074640), (16, 1296650), (20, 1037320), (25, 829856), (32, 648325), (40, 518660), (50, 414928), (80, 259330), (100, 207464), (160, 129665), (200, 103732), (400, 51866), (800, 25933)]