20512456926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6115819}}^1$

素因数の和:6115880

約数の個数: 32

約数和(自身を含む): 45208141440

約数和(自身を除く): 24695684514

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6115819, 12231638, 18347457, 36694914, 79505647, 159011294, 238516941, 262980217, 477033882, 525960434, 788940651, 1577881302, 3418742821, 6837485642, 10256228463, 20512456926]

約数ペア:

[(1, 20512456926), (2, 10256228463), (3, 6837485642), (6, 3418742821), (13, 1577881302), (26, 788940651), (39, 525960434), (43, 477033882), (78, 262980217), (86, 238516941), (129, 159011294), (258, 79505647), (559, 36694914), (1118, 18347457), (1677, 12231638), (3354, 6115819)]