20566875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{1567}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 39187456

約数和(自身を除く): 18620581

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 1567, 1875, 2625, 4375, 4701, 7835, 10969, 13125, 23505, 32907, 39175, 54845, 117525, 164535, 195875, 274225, 587625, 822675, 979375, 1371125, 2938125, 4113375, 6855625, 20566875]

約数ペア:

[(1, 20566875), (3, 6855625), (5, 4113375), (7, 2938125), (15, 1371125), (21, 979375), (25, 822675), (35, 587625), (75, 274225), (105, 195875), (125, 164535), (175, 117525), (375, 54845), (525, 39175), (625, 32907), (875, 23505), (1567, 13125), (1875, 10969), (2625, 7835), (4375, 4701)]