20700016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76103}}^1$

素因数の和:76128

約数の個数: 20

約数和(自身を含む): 42466032

約数和(自身を除く): 21766016

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76103, 152206, 304412, 608824, 1217648, 1293751, 2587502, 5175004, 10350008, 20700016]

約数ペア:

[(1, 20700016), (2, 10350008), (4, 5175004), (8, 2587502), (16, 1293751), (17, 1217648), (34, 608824), (68, 304412), (136, 152206), (272, 76103)]