20661862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 35128800

約数和(自身を除く): 14466938

約数列:

[1, 2, 13, 26, 29, 58, 67, 134, 377, 409, 754, 818, 871, 1742, 1943, 3886, 5317, 10634, 11861, 23722, 25259, 27403, 50518, 54806, 154193, 308386, 356239, 712478, 794687, 1589374, 10330931, 20661862]

約数ペア:

[(1, 20661862), (2, 10330931), (13, 1589374), (26, 794687), (29, 712478), (58, 356239), (67, 308386), (134, 154193), (377, 54806), (409, 50518), (754, 27403), (818, 25259), (871, 23722), (1742, 11861), (1943, 10634), (3886, 5317)]