20033915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 26986608

約数和(自身を除く): 6952693

約数列:

[1, 5, 11, 43, 55, 197, 215, 473, 985, 1849, 2167, 2365, 8471, 9245, 10835, 20339, 42355, 93181, 101695, 364253, 465905, 1821265, 4006783, 20033915]

約数ペア:

[(1, 20033915), (5, 4006783), (11, 1821265), (43, 465905), (55, 364253), (197, 101695), (215, 93181), (473, 42355), (985, 20339), (1849, 10835), (2167, 9245), (2365, 8471)]