20120110885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18543881}}^1$

素因数の和:18543924

約数の個数: 16

約数和(自身を含む): 28483402752

約数和(自身を除く): 8363291867

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18543881, 92719405, 129807167, 574860311, 649035835, 2874301555, 4024022177, 20120110885]

約数ペア:

[(1, 20120110885), (5, 4024022177), (7, 2874301555), (31, 649035835), (35, 574860311), (155, 129807167), (217, 92719405), (1085, 18543881)]