20415690031

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431521}}^1$

素因数の和:431583

約数の個数: 24

約数和(自身を含む): 24793528032

約数和(自身を除く): 4377838001

約数列:

[1, 11, 17, 23, 121, 187, 253, 391, 2057, 2783, 4301, 47311, 431521, 4746731, 7335857, 9924983, 52214041, 80694427, 109174813, 168724711, 887638697, 1200922943, 1855971821, 20415690031]

約数ペア:

[(1, 20415690031), (11, 1855971821), (17, 1200922943), (23, 887638697), (121, 168724711), (187, 109174813), (253, 80694427), (391, 52214041), (2057, 9924983), (2783, 7335857), (4301, 4746731), (47311, 431521)]