20104678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14731802

約数列:

[1, 2, 11, 22, 31, 41, 62, 82, 341, 451, 682, 719, 902, 1271, 1438, 2542, 7909, 13981, 15818, 22289, 27962, 29479, 44578, 58958, 245179, 324269, 490358, 648538, 913849, 1827698, 10052339, 20104678]

約数ペア:

[(1, 20104678), (2, 10052339), (11, 1827698), (22, 913849), (31, 648538), (41, 490358), (62, 324269), (82, 245179), (341, 58958), (451, 44578), (682, 29479), (719, 27962), (902, 22289), (1271, 15818), (1438, 13981), (2542, 7909)]