20161957420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91645261}}^1$

素因数の和:91645281

約数の個数: 24

約数和(自身を含む): 46189212048

約数和(自身を除く): 26027254628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91645261, 183290522, 366581044, 458226305, 916452610, 1008097871, 1832905220, 2016195742, 4032391484, 5040489355, 10080978710, 20161957420]

約数ペア:

[(1, 20161957420), (2, 10080978710), (4, 5040489355), (5, 4032391484), (10, 2016195742), (11, 1832905220), (20, 1008097871), (22, 916452610), (44, 458226305), (55, 366581044), (110, 183290522), (220, 91645261)]