20281810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 37806912

約数和(自身を除く): 17525102

約数列:

[1, 2, 5, 10, 43, 86, 101, 202, 215, 430, 467, 505, 934, 1010, 2335, 4343, 4670, 8686, 20081, 21715, 40162, 43430, 47167, 94334, 100405, 200810, 235835, 471670, 2028181, 4056362, 10140905, 20281810]

約数ペア:

[(1, 20281810), (2, 10140905), (5, 4056362), (10, 2028181), (43, 471670), (86, 235835), (101, 200810), (202, 100405), (215, 94334), (430, 47167), (467, 43430), (505, 40162), (934, 21715), (1010, 20081), (2335, 8686), (4343, 4670)]