20787804

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{33967}}^1$

素因数の和:33994

約数の個数: 36

約数和(自身を含む): 55639584

約数和(自身を除く): 34851780

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33967, 67934, 101901, 135868, 203802, 305703, 407604, 577439, 611406, 1154878, 1222812, 1732317, 2309756, 3464634, 5196951, 6929268, 10393902, 20787804]

約数ペア:

[(1, 20787804), (2, 10393902), (3, 6929268), (4, 5196951), (6, 3464634), (9, 2309756), (12, 1732317), (17, 1222812), (18, 1154878), (34, 611406), (36, 577439), (51, 407604), (68, 305703), (102, 203802), (153, 135868), (204, 101901), (306, 67934), (612, 33967)]