20701728

素因数分解:

$2^5\times 3^2\times {\mathrm{71881}}^1$

素因数の和:71897

約数の個数: 36

約数和(自身を含む): 58871358

約数和(自身を除く): 38169630

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 71881, 143762, 215643, 287524, 431286, 575048, 646929, 862572, 1150096, 1293858, 1725144, 2300192, 2587716, 3450288, 5175432, 6900576, 10350864, 20701728]

約数ペア:

[(1, 20701728), (2, 10350864), (3, 6900576), (4, 5175432), (6, 3450288), (8, 2587716), (9, 2300192), (12, 1725144), (16, 1293858), (18, 1150096), (24, 862572), (32, 646929), (36, 575048), (48, 431286), (72, 287524), (96, 215643), (144, 143762), (288, 71881)]