20747470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2467}}^1$

素因数の和:2532

約数の個数: 24

約数和(自身を含む): 38693304

約数和(自身を除く): 17945834

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2467, 4205, 4934, 8410, 12335, 24670, 71543, 143086, 357715, 715430, 2074747, 4149494, 10373735, 20747470]

約数ペア:

[(1, 20747470), (2, 10373735), (5, 4149494), (10, 2074747), (29, 715430), (58, 357715), (145, 143086), (290, 71543), (841, 24670), (1682, 12335), (2467, 8410), (4205, 4934)]