20017392012

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1\times {\mathrm{33911}}^1$

素因数の和:34803

約数の個数: 72

約数和(自身を含む): 53325941760

約数和(自身を除く): 33308549748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 863, 1726, 2589, 3452, 5178, 7767, 10356, 15534, 16397, 31068, 32794, 33911, 49191, 65588, 67822, 98382, 101733, 135644, 147573, 196764, 203466, 295146, 305199, 406932, 590292, 610398, 644309, 1220796, 1288618, 1932927, 2577236, 3865854, 5798781, 7731708, 11597562, 23195124, 29265193, 58530386, 87795579, 117060772, 175591158, 263386737, 351182316, 526773474, 556038667, 1053546948, 1112077334, 1668116001, 2224154668, 3336232002, 5004348003, 6672464004, 10008696006, 20017392012]

約数ペア:

[(1, 20017392012), (2, 10008696006), (3, 6672464004), (4, 5004348003), (6, 3336232002), (9, 2224154668), (12, 1668116001), (18, 1112077334), (19, 1053546948), (36, 556038667), (38, 526773474), (57, 351182316), (76, 263386737), (114, 175591158), (171, 117060772), (228, 87795579), (342, 58530386), (684, 29265193), (863, 23195124), (1726, 11597562), (2589, 7731708), (3452, 5798781), (5178, 3865854), (7767, 2577236), (10356, 1932927), (15534, 1288618), (16397, 1220796), (31068, 644309), (32794, 610398), (33911, 590292), (49191, 406932), (65588, 305199), (67822, 295146), (98382, 203466), (101733, 196764), (135644, 147573)]