20297901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 30564352

約数和(自身を除く): 10266451

約数列:

[1, 3, 13, 31, 39, 93, 103, 163, 309, 403, 489, 1209, 1339, 2119, 3193, 4017, 5053, 6357, 9579, 15159, 16789, 41509, 50367, 65689, 124527, 197067, 218257, 520459, 654771, 1561377, 6765967, 20297901]

約数ペア:

[(1, 20297901), (3, 6765967), (13, 1561377), (31, 654771), (39, 520459), (93, 218257), (103, 197067), (163, 124527), (309, 65689), (403, 50367), (489, 41509), (1209, 16789), (1339, 15159), (2119, 9579), (3193, 6357), (4017, 5053)]