20178587546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1\times {\mathrm{41999}}^1$

素因数の和:43118

約数の個数: 32

約数和(自身を含む): 34546176000

約数和(自身を除く): 14367588454

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 1087, 2174, 14131, 18479, 28262, 36958, 41999, 83998, 240227, 480454, 545987, 713983, 1091974, 1427966, 9281779, 18563558, 45652913, 91305826, 593487869, 776099521, 1186975738, 1552199042, 10089293773, 20178587546]

約数ペア:

[(1, 20178587546), (2, 10089293773), (13, 1552199042), (17, 1186975738), (26, 776099521), (34, 593487869), (221, 91305826), (442, 45652913), (1087, 18563558), (2174, 9281779), (14131, 1427966), (18479, 1091974), (28262, 713983), (36958, 545987), (41999, 480454), (83998, 240227)]