20919908712

素因数分解:

$2^3\times 3^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1\times {\mathrm{6571}}^1$

素因数の和:7906

約数の個数: 64

約数和(自身を含む): 52830993600

約数和(自身を除く): 31911084888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 109, 218, 327, 436, 654, 872, 1217, 1308, 2434, 2616, 3651, 4868, 6571, 7302, 9736, 13142, 14604, 19713, 26284, 29208, 39426, 52568, 78852, 132653, 157704, 265306, 397959, 530612, 716239, 795918, 1061224, 1432478, 1591836, 2148717, 2864956, 3183672, 4297434, 5729912, 7996907, 8594868, 15993814, 17189736, 23990721, 31987628, 47981442, 63975256, 95962884, 191925768, 871662863, 1743325726, 2614988589, 3486651452, 5229977178, 6973302904, 10459954356, 20919908712]

約数ペア:

[(1, 20919908712), (2, 10459954356), (3, 6973302904), (4, 5229977178), (6, 3486651452), (8, 2614988589), (12, 1743325726), (24, 871662863), (109, 191925768), (218, 95962884), (327, 63975256), (436, 47981442), (654, 31987628), (872, 23990721), (1217, 17189736), (1308, 15993814), (2434, 8594868), (2616, 7996907), (3651, 5729912), (4868, 4297434), (6571, 3183672), (7302, 2864956), (9736, 2148717), (13142, 1591836), (14604, 1432478), (19713, 1061224), (26284, 795918), (29208, 716239), (39426, 530612), (52568, 397959), (78852, 265306), (132653, 157704)]