20210322

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2203}}^1$

素因数の和:2358

約数の個数: 32

約数和(自身を含む): 44432640

約数和(自身を除く): 24222318

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 139, 278, 417, 834, 1529, 2203, 3058, 4406, 4587, 6609, 9174, 13218, 24233, 48466, 72699, 145398, 306217, 612434, 918651, 1837302, 3368387, 6736774, 10105161, 20210322]

約数ペア:

[(1, 20210322), (2, 10105161), (3, 6736774), (6, 3368387), (11, 1837302), (22, 918651), (33, 612434), (66, 306217), (139, 145398), (278, 72699), (417, 48466), (834, 24233), (1529, 13218), (2203, 9174), (3058, 6609), (4406, 4587)]