20237086791

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1\times {\mathrm{727}}^1$

素因数の和:1325

約数の個数: 64

約数和(自身を含む): 31547443200

約数和(自身を除く): 11310356409

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 261, 487, 657, 727, 783, 1461, 1971, 2117, 2181, 4383, 6351, 6543, 13149, 14123, 19053, 19629, 21083, 35551, 42369, 53071, 57159, 63249, 106653, 127107, 159213, 189747, 319959, 354049, 381321, 477639, 569241, 959877, 1030979, 1062147, 1432917, 1539059, 3092937, 3186441, 4617177, 9278811, 9559323, 10267421, 13851531, 25845577, 27836433, 30802263, 41554593, 77536731, 92406789, 232610193, 277220367, 697830579, 749521733, 2248565199, 6745695597, 20237086791]

約数ペア:

[(1, 20237086791), (3, 6745695597), (9, 2248565199), (27, 749521733), (29, 697830579), (73, 277220367), (87, 232610193), (219, 92406789), (261, 77536731), (487, 41554593), (657, 30802263), (727, 27836433), (783, 25845577), (1461, 13851531), (1971, 10267421), (2117, 9559323), (2181, 9278811), (4383, 4617177), (6351, 3186441), (6543, 3092937), (13149, 1539059), (14123, 1432917), (19053, 1062147), (19629, 1030979), (21083, 959877), (35551, 569241), (42369, 477639), (53071, 381321), (57159, 354049), (63249, 319959), (106653, 189747), (127107, 159213)]