20997792

素因数分解:

$2^5\times 3^4\times {\mathrm{8101}}^1$

素因数の和:8123

約数の個数: 60

約数和(自身を含む): 61761546

約数和(自身を除く): 40763754

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8101, 16202, 24303, 32404, 48606, 64808, 72909, 97212, 129616, 145818, 194424, 218727, 259232, 291636, 388848, 437454, 583272, 656181, 777696, 874908, 1166544, 1312362, 1749816, 2333088, 2624724, 3499632, 5249448, 6999264, 10498896, 20997792]

約数ペア:

[(1, 20997792), (2, 10498896), (3, 6999264), (4, 5249448), (6, 3499632), (8, 2624724), (9, 2333088), (12, 1749816), (16, 1312362), (18, 1166544), (24, 874908), (27, 777696), (32, 656181), (36, 583272), (48, 437454), (54, 388848), (72, 291636), (81, 259232), (96, 218727), (108, 194424), (144, 145818), (162, 129616), (216, 97212), (288, 72909), (324, 64808), (432, 48606), (648, 32404), (864, 24303), (1296, 16202), (2592, 8101)]