20837886

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4751}}^1$

素因数の和:4816

約数の個数: 32

約数和(自身を含む): 45163008

約数和(自身を除く): 24325122

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4751, 9502, 14253, 28506, 80767, 161534, 204293, 242301, 408586, 484602, 612879, 1225758, 3472981, 6945962, 10418943, 20837886]

約数ペア:

[(1, 20837886), (2, 10418943), (3, 6945962), (6, 3472981), (17, 1225758), (34, 612879), (43, 484602), (51, 408586), (86, 242301), (102, 204293), (129, 161534), (258, 80767), (731, 28506), (1462, 14253), (2193, 9502), (4386, 4751)]