20784955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1597}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 26462880

約数和(自身を除く): 5677925

約数列:

[1, 5, 19, 95, 137, 685, 1597, 2603, 7985, 13015, 30343, 151715, 218789, 1093945, 4156991, 20784955]

約数ペア:

[(1, 20784955), (5, 4156991), (19, 1093945), (95, 218789), (137, 151715), (685, 30343), (1597, 13015), (2603, 7985)]