20964505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3023}}^1$

素因数の和:3120

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 5888615

約数列:

[1, 5, 19, 73, 95, 365, 1387, 3023, 6935, 15115, 57437, 220679, 287185, 1103395, 4192901, 20964505]

約数ペア:

[(1, 20964505), (5, 4192901), (19, 1103395), (73, 287185), (95, 220679), (365, 57437), (1387, 15115), (3023, 6935)]