20959964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3491}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 39110400

約数和(自身を除く): 18150436

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3491, 6004, 6982, 13964, 66329, 132658, 265316, 275789, 551578, 1103156, 5239991, 10479982, 20959964]

約数ペア:

[(1, 20959964), (2, 10479982), (4, 5239991), (19, 1103156), (38, 551578), (76, 275789), (79, 265316), (158, 132658), (316, 66329), (1501, 13964), (3002, 6982), (3491, 6004)]