20732715

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3517}}^1$

素因数の和:3659

約数の個数: 24

約数和(自身を含む): 36221328

約数和(自身を除く): 15488613

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3517, 5895, 10551, 17585, 31653, 52755, 158265, 460727, 1382181, 2303635, 4146543, 6910905, 20732715]

約数ペア:

[(1, 20732715), (3, 6910905), (5, 4146543), (9, 2303635), (15, 1382181), (45, 460727), (131, 158265), (393, 52755), (655, 31653), (1179, 17585), (1965, 10551), (3517, 5895)]