20781927042

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3463}}^1\times {\mathrm{3803}}^1$

素因数の和:7534

約数の個数: 32

約数和(自身を含む): 41744913408

約数和(自身を除く): 20962986366

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 3463, 3803, 6926, 7606, 10389, 11409, 20778, 22818, 910769, 1000189, 1821538, 2000378, 2732307, 3000567, 5464614, 6001134, 13169789, 26339578, 39509367, 79018734, 3463654507, 6927309014, 10390963521, 20781927042]

約数ペア:

[(1, 20781927042), (2, 10390963521), (3, 6927309014), (6, 3463654507), (263, 79018734), (526, 39509367), (789, 26339578), (1578, 13169789), (3463, 6001134), (3803, 5464614), (6926, 3000567), (7606, 2732307), (10389, 2000378), (11409, 1821538), (20778, 1000189), (22818, 910769)]