20851435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 9086165

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 319, 493, 769, 935, 1595, 2465, 3845, 5423, 8459, 13073, 22301, 27115, 42295, 65365, 111505, 143803, 245311, 379117, 719015, 1226555, 1895585, 4170287, 20851435]

約数ペア:

[(1, 20851435), (5, 4170287), (11, 1895585), (17, 1226555), (29, 719015), (55, 379117), (85, 245311), (145, 143803), (187, 111505), (319, 65365), (493, 42295), (769, 27115), (935, 22301), (1595, 13073), (2465, 8459), (3845, 5423)]