20235767240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{363691}}^1$

素因数の和:363822

約数の個数: 64

約数和(自身を含む): 49491207360

約数和(自身を除く): 29255440120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 2140, 2782, 4280, 5564, 6955, 11128, 13910, 27820, 55640, 363691, 727382, 1454764, 1818455, 2909528, 3636910, 4727983, 7273820, 9455966, 14547640, 18911932, 23639915, 37823864, 38914937, 47279830, 77829874, 94559660, 155659748, 189119320, 194574685, 311319496, 389149370, 505894181, 778298740, 1011788362, 1556597480, 2023576724, 2529470905, 4047153448, 5058941810, 10117883620, 20235767240]

約数ペア:

[(1, 20235767240), (2, 10117883620), (4, 5058941810), (5, 4047153448), (8, 2529470905), (10, 2023576724), (13, 1556597480), (20, 1011788362), (26, 778298740), (40, 505894181), (52, 389149370), (65, 311319496), (104, 194574685), (107, 189119320), (130, 155659748), (214, 94559660), (260, 77829874), (428, 47279830), (520, 38914937), (535, 37823864), (856, 23639915), (1070, 18911932), (1391, 14547640), (2140, 9455966), (2782, 7273820), (4280, 4727983), (5564, 3636910), (6955, 2909528), (11128, 1818455), (13910, 1454764), (27820, 727382), (55640, 363691)]