20219268536

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{254959}}^1$

素因数の和:255419

約数の個数: 32

約数和(自身を含む): 39651379200

約数和(自身を除く): 19432110664

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 431, 862, 1724, 3448, 9913, 19826, 39652, 79304, 254959, 509918, 1019836, 2039672, 5864057, 11728114, 23456228, 46912456, 109887329, 219774658, 439549316, 879098632, 2527408567, 5054817134, 10109634268, 20219268536]

約数ペア:

[(1, 20219268536), (2, 10109634268), (4, 5054817134), (8, 2527408567), (23, 879098632), (46, 439549316), (92, 219774658), (184, 109887329), (431, 46912456), (862, 23456228), (1724, 11728114), (3448, 5864057), (9913, 2039672), (19826, 1019836), (39652, 509918), (79304, 254959)]