20018210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105359}}^1$

素因数の和:105385

約数の個数: 16

約数和(自身を含む): 37929600

約数和(自身を除く): 17911390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 105359, 210718, 526795, 1053590, 2001821, 4003642, 10009105, 20018210]

約数ペア:

[(1, 20018210), (2, 10009105), (5, 4003642), (10, 2001821), (19, 1053590), (38, 526795), (95, 210718), (190, 105359)]