20469859969

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 23927350720

約数和(自身を除く): 3457490751

約数列:

[1, 13, 19, 53, 163, 181, 247, 689, 1007, 2119, 2353, 2809, 3097, 3439, 8639, 9593, 13091, 29503, 36517, 40261, 44707, 53371, 112307, 124709, 164141, 182267, 383539, 457867, 508429, 560557, 693823, 1563659, 2133833, 2369471, 5952271, 6609577, 7287241, 8699473, 9660151, 20327567, 29709521, 82873927, 113093149, 125581963, 386223773, 1077361051, 1574604613, 20469859969]

約数ペア:

[(1, 20469859969), (13, 1574604613), (19, 1077361051), (53, 386223773), (163, 125581963), (181, 113093149), (247, 82873927), (689, 29709521), (1007, 20327567), (2119, 9660151), (2353, 8699473), (2809, 7287241), (3097, 6609577), (3439, 5952271), (8639, 2369471), (9593, 2133833), (13091, 1563659), (29503, 693823), (36517, 560557), (40261, 508429), (44707, 457867), (53371, 383539), (112307, 182267), (124709, 164141)]