20809399011

素因数分解:

$3^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1\times {\mathrm{28807}}^1$

素因数の和:29818

約数の個数: 16

約数和(自身を含む): 27863097600

約数和(自身を除く): 7053698589

約数列:

[1, 3, 389, 619, 1167, 1857, 28807, 86421, 240791, 722373, 11205923, 17831533, 33617769, 53494599, 6936466337, 20809399011]

約数ペア:

[(1, 20809399011), (3, 6936466337), (389, 53494599), (619, 33617769), (1167, 17831533), (1857, 11205923), (28807, 722373), (86421, 240791)]