20769424

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7681}}^1$

素因数の和:7715

約数の個数: 30

約数和(自身を含む): 43579986

約数和(自身を除く): 22810562

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7681, 15362, 30724, 61448, 99853, 122896, 199706, 399412, 798824, 1298089, 1597648, 2596178, 5192356, 10384712, 20769424]

約数ペア:

[(1, 20769424), (2, 10384712), (4, 5192356), (8, 2596178), (13, 1597648), (16, 1298089), (26, 798824), (52, 399412), (104, 199706), (169, 122896), (208, 99853), (338, 61448), (676, 30724), (1352, 15362), (2704, 7681)]