20279816

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1433}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 40008600

約数和(自身を除く): 19728784

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1433, 1769, 2866, 3538, 5732, 7076, 11464, 14152, 41557, 83114, 87413, 166228, 174826, 332456, 349652, 699304, 2534977, 5069954, 10139908, 20279816]

約数ペア:

[(1, 20279816), (2, 10139908), (4, 5069954), (8, 2534977), (29, 699304), (58, 349652), (61, 332456), (116, 174826), (122, 166228), (232, 87413), (244, 83114), (488, 41557), (1433, 14152), (1769, 11464), (2866, 7076), (3538, 5732)]