20512019979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4408343}}^1$

素因数の和:4408407

約数の個数: 24

約数和(自身を含む): 33009679872

約数和(自身を除く): 12497659893

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4653, 4408343, 13225029, 39675087, 48491773, 145475319, 207192121, 436425957, 621576363, 1864729089, 2279113331, 6837339993, 20512019979]

約数ペア:

[(1, 20512019979), (3, 6837339993), (9, 2279113331), (11, 1864729089), (33, 621576363), (47, 436425957), (99, 207192121), (141, 145475319), (423, 48491773), (517, 39675087), (1551, 13225029), (4653, 4408343)]