20013864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2834

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 36232536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2789, 3588, 5578, 7176, 8367, 11156, 16734, 22312, 33468, 36257, 64147, 66936, 72514, 108771, 128294, 145028, 192441, 217542, 256588, 290056, 384882, 435084, 513176, 769764, 833911, 870168, 1539528, 1667822, 2501733, 3335644, 5003466, 6671288, 10006932, 20013864]

約数ペア:

[(1, 20013864), (2, 10006932), (3, 6671288), (4, 5003466), (6, 3335644), (8, 2501733), (12, 1667822), (13, 1539528), (23, 870168), (24, 833911), (26, 769764), (39, 513176), (46, 435084), (52, 384882), (69, 290056), (78, 256588), (92, 217542), (104, 192441), (138, 145028), (156, 128294), (184, 108771), (276, 72514), (299, 66936), (312, 64147), (552, 36257), (598, 33468), (897, 22312), (1196, 16734), (1794, 11156), (2392, 8367), (2789, 7176), (3588, 5578)]