20713712

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12569}}^1$

素因数の和:12680

約数の個数: 20

約数和(自身を含む): 40525680

約数和(自身を除く): 19811968

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12569, 25138, 50276, 100552, 201104, 1294607, 2589214, 5178428, 10356856, 20713712]

約数ペア:

[(1, 20713712), (2, 10356856), (4, 5178428), (8, 2589214), (16, 1294607), (103, 201104), (206, 100552), (412, 50276), (824, 25138), (1648, 12569)]