20809929438

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1231}}^1\times {\mathrm{4451}}^1$

素因数の和:5901

約数の個数: 48

約数和(自身を含む): 45348855552

約数和(自身を除く): 24538926114

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1231, 1266, 1899, 2462, 3693, 3798, 4451, 7386, 8902, 11079, 13353, 22158, 26706, 40059, 80118, 259741, 519482, 779223, 939161, 1558446, 1878322, 2337669, 2817483, 4675338, 5479181, 5634966, 8452449, 10958362, 16437543, 16904898, 32875086, 49312629, 98625258, 1156107191, 2312214382, 3468321573, 6936643146, 10404964719, 20809929438]

約数ペア:

[(1, 20809929438), (2, 10404964719), (3, 6936643146), (6, 3468321573), (9, 2312214382), (18, 1156107191), (211, 98625258), (422, 49312629), (633, 32875086), (1231, 16904898), (1266, 16437543), (1899, 10958362), (2462, 8452449), (3693, 5634966), (3798, 5479181), (4451, 4675338), (7386, 2817483), (8902, 2337669), (11079, 1878322), (13353, 1558446), (22158, 939161), (26706, 779223), (40059, 519482), (80118, 259741)]