20025705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16780695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 269, 709, 807, 1345, 1883, 2127, 3545, 4035, 4963, 5649, 9415, 10635, 14889, 24815, 28245, 74445, 190721, 572163, 953605, 1335047, 2860815, 4005141, 6675235, 20025705]

約数ペア:

[(1, 20025705), (3, 6675235), (5, 4005141), (7, 2860815), (15, 1335047), (21, 953605), (35, 572163), (105, 190721), (269, 74445), (709, 28245), (807, 24815), (1345, 14889), (1883, 10635), (2127, 9415), (3545, 5649), (4035, 4963)]