20356908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11863}}^1$

素因数の和:11894

約数の個数: 48

約数和(自身を含む): 55808256

約数和(自身を除く): 35451348

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11863, 23726, 35589, 47452, 71178, 130493, 142356, 154219, 260986, 308438, 391479, 462657, 521972, 616876, 782958, 925314, 1565916, 1696409, 1850628, 3392818, 5089227, 6785636, 10178454, 20356908]

約数ペア:

[(1, 20356908), (2, 10178454), (3, 6785636), (4, 5089227), (6, 3392818), (11, 1850628), (12, 1696409), (13, 1565916), (22, 925314), (26, 782958), (33, 616876), (39, 521972), (44, 462657), (52, 391479), (66, 308438), (78, 260986), (132, 154219), (143, 142356), (156, 130493), (286, 71178), (429, 47452), (572, 35589), (858, 23726), (1716, 11863)]