20916796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1753}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 38798480

約数和(自身を除く): 17881684

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 1753, 2983, 3506, 5966, 7012, 11932, 33307, 66614, 133228, 275221, 550442, 1100884, 5229199, 10458398, 20916796]

約数ペア:

[(1, 20916796), (2, 10458398), (4, 5229199), (19, 1100884), (38, 550442), (76, 275221), (157, 133228), (314, 66614), (628, 33307), (1753, 11932), (2983, 7012), (3506, 5966)]