20645996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32059}}^1$

素因数の和:32093

約数の個数: 24

約数和(自身を含む): 43088640

約数和(自身を除く): 22442644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32059, 64118, 128236, 224413, 448826, 737357, 897652, 1474714, 2949428, 5161499, 10322998, 20645996]

約数ペア:

[(1, 20645996), (2, 10322998), (4, 5161499), (7, 2949428), (14, 1474714), (23, 897652), (28, 737357), (46, 448826), (92, 224413), (161, 128236), (322, 64118), (644, 32059)]