20166860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6263}}^1$

素因数の和:6302

約数の個数: 48

約数和(自身を含む): 50512896

約数和(自身を除く): 30346036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6263, 12526, 25052, 31315, 43841, 62630, 87682, 125260, 144049, 175364, 219205, 288098, 438410, 576196, 720245, 876820, 1008343, 1440490, 2016686, 2880980, 4033372, 5041715, 10083430, 20166860]

約数ペア:

[(1, 20166860), (2, 10083430), (4, 5041715), (5, 4033372), (7, 2880980), (10, 2016686), (14, 1440490), (20, 1008343), (23, 876820), (28, 720245), (35, 576196), (46, 438410), (70, 288098), (92, 219205), (115, 175364), (140, 144049), (161, 125260), (230, 87682), (322, 62630), (460, 43841), (644, 31315), (805, 25052), (1610, 12526), (3220, 6263)]