20907075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5689}}^1$

素因数の和:5716

約数の個数: 36

約数和(自身を含む): 40216920

約数和(自身を除く): 19309845

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5689, 17067, 28445, 39823, 85335, 119469, 142225, 199115, 278761, 426675, 597345, 836283, 995575, 1393805, 2986725, 4181415, 6969025, 20907075]

約数ペア:

[(1, 20907075), (3, 6969025), (5, 4181415), (7, 2986725), (15, 1393805), (21, 995575), (25, 836283), (35, 597345), (49, 426675), (75, 278761), (105, 199115), (147, 142225), (175, 119469), (245, 85335), (525, 39823), (735, 28445), (1225, 17067), (3675, 5689)]