20025660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:735

約数の個数: 96

約数和(自身を含む): 61508160

約数和(自身を除く): 41482500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 677, 870, 986, 1020, 1354, 1479, 1740, 1972, 2031, 2465, 2708, 2958, 3385, 4062, 4930, 5916, 6770, 7395, 8124, 9860, 10155, 11509, 13540, 14790, 19633, 20310, 23018, 29580, 34527, 39266, 40620, 46036, 57545, 58899, 69054, 78532, 98165, 115090, 117798, 138108, 172635, 196330, 230180, 235596, 294495, 333761, 345270, 392660, 588990, 667522, 690540, 1001283, 1177980, 1335044, 1668805, 2002566, 3337610, 4005132, 5006415, 6675220, 10012830, 20025660]

約数ペア:

[(1, 20025660), (2, 10012830), (3, 6675220), (4, 5006415), (5, 4005132), (6, 3337610), (10, 2002566), (12, 1668805), (15, 1335044), (17, 1177980), (20, 1001283), (29, 690540), (30, 667522), (34, 588990), (51, 392660), (58, 345270), (60, 333761), (68, 294495), (85, 235596), (87, 230180), (102, 196330), (116, 172635), (145, 138108), (170, 117798), (174, 115090), (204, 98165), (255, 78532), (290, 69054), (340, 58899), (348, 57545), (435, 46036), (493, 40620), (510, 39266), (580, 34527), (677, 29580), (870, 23018), (986, 20310), (1020, 19633), (1354, 14790), (1479, 13540), (1740, 11509), (1972, 10155), (2031, 9860), (2465, 8124), (2708, 7395), (2958, 6770), (3385, 5916), (4062, 4930)]