20102904

素因数分解:

$2^3\times 3^8\times {\mathrm{383}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 56684160

約数和(自身を除く): 36581256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 383, 486, 648, 729, 766, 972, 1149, 1458, 1532, 1944, 2187, 2298, 2916, 3064, 3447, 4374, 4596, 5832, 6561, 6894, 8748, 9192, 10341, 13122, 13788, 17496, 20682, 26244, 27576, 31023, 41364, 52488, 62046, 82728, 93069, 124092, 186138, 248184, 279207, 372276, 558414, 744552, 837621, 1116828, 1675242, 2233656, 2512863, 3350484, 5025726, 6700968, 10051452, 20102904]

約数ペア:

[(1, 20102904), (2, 10051452), (3, 6700968), (4, 5025726), (6, 3350484), (8, 2512863), (9, 2233656), (12, 1675242), (18, 1116828), (24, 837621), (27, 744552), (36, 558414), (54, 372276), (72, 279207), (81, 248184), (108, 186138), (162, 124092), (216, 93069), (243, 82728), (324, 62046), (383, 52488), (486, 41364), (648, 31023), (729, 27576), (766, 26244), (972, 20682), (1149, 17496), (1458, 13788), (1532, 13122), (1944, 10341), (2187, 9192), (2298, 8748), (2916, 6894), (3064, 6561), (3447, 5832), (4374, 4596)]