20800078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47059}}^1$

素因数の和:47091

約数の個数: 16

約数和(自身を含む): 35577360

約数和(自身を除く): 14777282

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47059, 94118, 611767, 800003, 1223534, 1600006, 10400039, 20800078]

約数ペア:

[(1, 20800078), (2, 10400039), (13, 1600006), (17, 1223534), (26, 800003), (34, 611767), (221, 94118), (442, 47059)]