20621170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 39723696

約数和(自身を除く): 19102526

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 505, 1010, 1201, 1717, 2402, 3434, 6005, 8585, 12010, 17170, 20417, 40834, 102085, 121301, 204170, 242602, 606505, 1213010, 2062117, 4124234, 10310585, 20621170]

約数ペア:

[(1, 20621170), (2, 10310585), (5, 4124234), (10, 2062117), (17, 1213010), (34, 606505), (85, 242602), (101, 204170), (170, 121301), (202, 102085), (505, 40834), (1010, 20417), (1201, 17170), (1717, 12010), (2402, 8585), (3434, 6005)]