20825695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 28905984

約数和(自身を除く): 8080289

約数列:

[1, 5, 11, 23, 55, 101, 115, 163, 253, 505, 815, 1111, 1265, 1793, 2323, 3749, 5555, 8965, 11615, 16463, 18745, 25553, 41239, 82315, 127765, 181093, 206195, 378649, 905465, 1893245, 4165139, 20825695]

約数ペア:

[(1, 20825695), (5, 4165139), (11, 1893245), (23, 905465), (55, 378649), (101, 206195), (115, 181093), (163, 127765), (253, 82315), (505, 41239), (815, 25553), (1111, 18745), (1265, 16463), (1793, 11615), (2323, 8965), (3749, 5555)]