20013335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 27527040

約数和(自身を除く): 7513705

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 353, 391, 493, 667, 1765, 1955, 2465, 3335, 6001, 8119, 10237, 11339, 30005, 40595, 51185, 56695, 138023, 174029, 235451, 690115, 870145, 1177255, 4002667, 20013335]

約数ペア:

[(1, 20013335), (5, 4002667), (17, 1177255), (23, 870145), (29, 690115), (85, 235451), (115, 174029), (145, 138023), (353, 56695), (391, 51185), (493, 40595), (667, 30005), (1765, 11339), (1955, 10237), (2465, 8119), (3335, 6001)]