33688420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4001}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 70931448

約数和(自身を除く): 37243028

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4001, 4210, 8002, 8420, 16004, 20005, 40010, 80020, 1684421, 3368842, 6737684, 8422105, 16844210, 33688420]

約数ペア:

[(1, 33688420), (2, 16844210), (4, 8422105), (5, 6737684), (10, 3368842), (20, 1684421), (421, 80020), (842, 40010), (1684, 20005), (2105, 16004), (4001, 8420), (4210, 8002)]