20496530

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16139}}^1$

素因数の和:16273

約数の個数: 16

約数和(自身を含む): 37186560

約数和(自身を除く): 16690030

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16139, 32278, 80695, 161390, 2049653, 4099306, 10248265, 20496530]

約数ペア:

[(1, 20496530), (2, 10248265), (5, 4099306), (10, 2049653), (127, 161390), (254, 80695), (635, 32278), (1270, 16139)]