20171855495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1135483}}^1$

素因数の和:1135535

約数の個数: 32

約数和(自身を含む): 29431745280

約数和(自身を除く): 9259889785

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 935, 1045, 1615, 3553, 17765, 1135483, 5677415, 12490313, 19303211, 21574177, 62451565, 96516055, 107870885, 212335321, 237315947, 366761009, 1061676605, 1186579735, 1833805045, 4034371099, 20171855495]

約数ペア:

[(1, 20171855495), (5, 4034371099), (11, 1833805045), (17, 1186579735), (19, 1061676605), (55, 366761009), (85, 237315947), (95, 212335321), (187, 107870885), (209, 96516055), (323, 62451565), (935, 21574177), (1045, 19303211), (1615, 12490313), (3553, 5677415), (17765, 1135483)]