20715554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4651}}^1$

素因数の和:4801

約数の個数: 16

約数和(自身を含む): 33159456

約数和(自身を除く): 12443902

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 4651, 9302, 79067, 158134, 609281, 1218562, 10357777, 20715554]

約数ペア:

[(1, 20715554), (2, 10357777), (17, 1218562), (34, 609281), (131, 158134), (262, 79067), (2227, 9302), (4454, 4651)]