20479713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 10054047

約数列:

[1, 3, 17, 29, 51, 61, 87, 183, 227, 493, 681, 1037, 1479, 1769, 3111, 3859, 5307, 6583, 11577, 13847, 19749, 30073, 41541, 90219, 111911, 235399, 335733, 401563, 706197, 1204689, 6826571, 20479713]

約数ペア:

[(1, 20479713), (3, 6826571), (17, 1204689), (29, 706197), (51, 401563), (61, 335733), (87, 235399), (183, 111911), (227, 90219), (493, 41541), (681, 30073), (1037, 19749), (1479, 13847), (1769, 11577), (3111, 6583), (3859, 5307)]