20853684

素因数分解:

$2^2\times 3^2\times {\mathrm{373}}^1\times {\mathrm{1553}}^1$

素因数の和:1936

約数の個数: 36

約数和(自身を含む): 52888836

約数和(自身を除く): 32035152

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 373, 746, 1119, 1492, 1553, 2238, 3106, 3357, 4476, 4659, 6212, 6714, 9318, 13428, 13977, 18636, 27954, 55908, 579269, 1158538, 1737807, 2317076, 3475614, 5213421, 6951228, 10426842, 20853684]

約数ペア:

[(1, 20853684), (2, 10426842), (3, 6951228), (4, 5213421), (6, 3475614), (9, 2317076), (12, 1737807), (18, 1158538), (36, 579269), (373, 55908), (746, 27954), (1119, 18636), (1492, 13977), (1553, 13428), (2238, 9318), (3106, 6714), (3357, 6212), (4476, 4659)]