20653210

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43943}}^1$

素因数の和:43997

約数の個数: 16

約数和(自身を含む): 37967616

約数和(自身を除く): 17314406

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43943, 87886, 219715, 439430, 2065321, 4130642, 10326605, 20653210]

約数ペア:

[(1, 20653210), (2, 10326605), (5, 4130642), (10, 2065321), (47, 439430), (94, 219715), (235, 87886), (470, 43943)]