20802240916

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{809}}^1\times {\mathrm{72229}}^1$

素因数の和:73131

約数の個数: 24

約数和(自身を含む): 36858969000

約数和(自身を除く): 16056728084

約数列:

[1, 2, 4, 89, 178, 356, 809, 1618, 3236, 72001, 72229, 144002, 144458, 288004, 288916, 6428381, 12856762, 25713524, 58433261, 116866522, 233733044, 5200560229, 10401120458, 20802240916]

約数ペア:

[(1, 20802240916), (2, 10401120458), (4, 5200560229), (89, 233733044), (178, 116866522), (356, 58433261), (809, 25713524), (1618, 12856762), (3236, 6428381), (72001, 288916), (72229, 288004), (144002, 144458)]