20145953859

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1\times {\mathrm{3533}}^1$

素因数の和:5035

約数の個数: 32

約数和(自身を含む): 28701734400

約数和(自身を除く): 8555780541

約数列:

[1, 3, 19, 57, 71, 213, 1349, 1409, 3533, 4047, 4227, 10599, 26771, 67127, 80313, 100039, 201381, 250843, 300117, 752529, 1900741, 4766017, 4977997, 5702223, 14298051, 14933991, 94581943, 283745829, 353437787, 1060313361, 6715317953, 20145953859]

約数ペア:

[(1, 20145953859), (3, 6715317953), (19, 1060313361), (57, 353437787), (71, 283745829), (213, 94581943), (1349, 14933991), (1409, 14298051), (3533, 5702223), (4047, 4977997), (4227, 4766017), (10599, 1900741), (26771, 752529), (67127, 300117), (80313, 250843), (100039, 201381)]