20159942405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{19717}}^1$

素因数の和:20285

約数の個数: 32

約数和(自身を含む): 26781145344

約数和(自身を除く): 6621202939

約数列:

[1, 5, 17, 23, 85, 115, 391, 523, 1955, 2615, 8891, 12029, 19717, 44455, 60145, 98585, 204493, 335189, 453491, 1022465, 1675945, 2267455, 7709347, 10311991, 38546735, 51559955, 175303847, 237175793, 876519235, 1185878965, 4031988481, 20159942405]

約数ペア:

[(1, 20159942405), (5, 4031988481), (17, 1185878965), (23, 876519235), (85, 237175793), (115, 175303847), (391, 51559955), (523, 38546735), (1955, 10311991), (2615, 7709347), (8891, 2267455), (12029, 1675945), (19717, 1022465), (44455, 453491), (60145, 335189), (98585, 204493)]