20954188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{941}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 38772720

約数和(自身を除く): 17818532

約数列:

[1, 2, 4, 19, 38, 76, 293, 586, 941, 1172, 1882, 3764, 5567, 11134, 17879, 22268, 35758, 71516, 275713, 551426, 1102852, 5238547, 10477094, 20954188]

約数ペア:

[(1, 20954188), (2, 10477094), (4, 5238547), (19, 1102852), (38, 551426), (76, 275713), (293, 71516), (586, 35758), (941, 22268), (1172, 17879), (1882, 11134), (3764, 5567)]