20492712723

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{347}}^1\times {\mathrm{1667}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 32027681664

約数和(自身を除く): 11534968941

約数列:

[1, 3, 7, 21, 49, 147, 241, 347, 723, 1041, 1667, 1687, 2429, 5001, 5061, 7287, 11669, 11809, 17003, 35007, 35427, 51009, 81683, 83627, 245049, 250881, 401747, 578449, 585389, 1205241, 1735347, 1756167, 2812229, 4049143, 4097723, 8436687, 12147429, 12293169, 19685603, 28344001, 59056809, 85032003, 139406209, 418218627, 975843463, 2927530389, 6830904241, 20492712723]

約数ペア:

[(1, 20492712723), (3, 6830904241), (7, 2927530389), (21, 975843463), (49, 418218627), (147, 139406209), (241, 85032003), (347, 59056809), (723, 28344001), (1041, 19685603), (1667, 12293169), (1687, 12147429), (2429, 8436687), (5001, 4097723), (5061, 4049143), (7287, 2812229), (11669, 1756167), (11809, 1735347), (17003, 1205241), (35007, 585389), (35427, 578449), (51009, 401747), (81683, 250881), (83627, 245049)]