20447670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681589}}^1$

素因数の和:681599

約数の個数: 16

約数和(自身を含む): 49074480

約数和(自身を除く): 28626810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681589, 1363178, 2044767, 3407945, 4089534, 6815890, 10223835, 20447670]

約数ペア:

[(1, 20447670), (2, 10223835), (3, 6815890), (5, 4089534), (6, 3407945), (10, 2044767), (15, 1363178), (30, 681589)]