20163359788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1\times {\mathrm{18661}}^1$

素因数の和:20578

約数の個数: 48

約数和(自身を含む): 41478907680

約数和(自身を除く): 21315547892

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1889, 3778, 7556, 18661, 20779, 24557, 37322, 41558, 49114, 74644, 83116, 98228, 205271, 242593, 270127, 410542, 485186, 540254, 821084, 970372, 1080508, 2668523, 5337046, 10674092, 35250629, 70501258, 141002516, 387756919, 458258177, 775513838, 916516354, 1551027676, 1833032708, 5040839947, 10081679894, 20163359788]

約数ペア:

[(1, 20163359788), (2, 10081679894), (4, 5040839947), (11, 1833032708), (13, 1551027676), (22, 916516354), (26, 775513838), (44, 458258177), (52, 387756919), (143, 141002516), (286, 70501258), (572, 35250629), (1889, 10674092), (3778, 5337046), (7556, 2668523), (18661, 1080508), (20779, 970372), (24557, 821084), (37322, 540254), (41558, 485186), (49114, 410542), (74644, 270127), (83116, 242593), (98228, 205271)]