201812980

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{17923}}^1$

素因数の和:18495

約数の個数: 24

約数和(自身を含む): 424583712

約数和(自身を除く): 222770732

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 11260, 17923, 35846, 71692, 89615, 179230, 358460, 10090649, 20181298, 40362596, 50453245, 100906490, 201812980]

約数ペア:

[(1, 201812980), (2, 100906490), (4, 50453245), (5, 40362596), (10, 20181298), (20, 10090649), (563, 358460), (1126, 179230), (2252, 89615), (2815, 71692), (5630, 35846), (11260, 17923)]