20493966

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1531}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 43239168

約数和(自身を除く): 22745202

約数列:

[1, 2, 3, 6, 23, 46, 69, 97, 138, 194, 291, 582, 1531, 2231, 3062, 4462, 4593, 6693, 9186, 13386, 35213, 70426, 105639, 148507, 211278, 297014, 445521, 891042, 3415661, 6831322, 10246983, 20493966]

約数ペア:

[(1, 20493966), (2, 10246983), (3, 6831322), (6, 3415661), (23, 891042), (46, 445521), (69, 297014), (97, 211278), (138, 148507), (194, 105639), (291, 70426), (582, 35213), (1531, 13386), (2231, 9186), (3062, 6693), (4462, 4593)]