20748627

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 32036160

約数和(自身を除く): 11287533

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 1811, 3819, 5433, 11457, 16299, 34409, 103227, 121337, 309681, 364011, 1092033, 2305403, 6916209, 20748627]

約数ペア:

[(1, 20748627), (3, 6916209), (9, 2305403), (19, 1092033), (57, 364011), (67, 309681), (171, 121337), (201, 103227), (603, 34409), (1273, 16299), (1811, 11457), (3819, 5433)]