20007890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285827}}^1$

素因数の和:285841

約数の個数: 16

約数和(自身を含む): 41159232

約数和(自身を除く): 21151342

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285827, 571654, 1429135, 2000789, 2858270, 4001578, 10003945, 20007890]

約数ペア:

[(1, 20007890), (2, 10003945), (5, 4001578), (7, 2858270), (10, 2000789), (14, 1429135), (35, 571654), (70, 285827)]