20159270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87649}}^1$

素因数の和:87679

約数の個数: 16

約数和(自身を含む): 37864800

約数和(自身を除く): 17705530

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87649, 175298, 438245, 876490, 2015927, 4031854, 10079635, 20159270]

約数ペア:

[(1, 20159270), (2, 10079635), (5, 4031854), (10, 2015927), (23, 876490), (46, 438245), (115, 175298), (230, 87649)]