20745452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56993}}^1$

素因数の和:57017

約数の個数: 24

約数和(自身を含む): 44683296

約数和(自身を除く): 23937844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56993, 113986, 227972, 398951, 740909, 797902, 1481818, 1595804, 2963636, 5186363, 10372726, 20745452]

約数ペア:

[(1, 20745452), (2, 10372726), (4, 5186363), (7, 2963636), (13, 1595804), (14, 1481818), (26, 797902), (28, 740909), (52, 398951), (91, 227972), (182, 113986), (364, 56993)]