20965896

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2483

約数の個数: 96

約数和(自身を含む): 68739840

約数和(自身を除く): 47773944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2447, 2856, 4284, 4894, 7341, 8568, 9788, 14682, 17129, 19576, 22023, 29364, 34258, 41599, 44046, 51387, 58728, 68516, 83198, 88092, 102774, 124797, 137032, 154161, 166396, 176184, 205548, 249594, 291193, 308322, 332792, 374391, 411096, 499188, 582386, 616644, 748782, 873579, 998376, 1164772, 1233288, 1497564, 1747158, 2329544, 2620737, 2995128, 3494316, 5241474, 6988632, 10482948, 20965896]

約数ペア:

[(1, 20965896), (2, 10482948), (3, 6988632), (4, 5241474), (6, 3494316), (7, 2995128), (8, 2620737), (9, 2329544), (12, 1747158), (14, 1497564), (17, 1233288), (18, 1164772), (21, 998376), (24, 873579), (28, 748782), (34, 616644), (36, 582386), (42, 499188), (51, 411096), (56, 374391), (63, 332792), (68, 308322), (72, 291193), (84, 249594), (102, 205548), (119, 176184), (126, 166396), (136, 154161), (153, 137032), (168, 124797), (204, 102774), (238, 88092), (252, 83198), (306, 68516), (357, 58728), (408, 51387), (476, 44046), (504, 41599), (612, 34258), (714, 29364), (952, 22023), (1071, 19576), (1224, 17129), (1428, 14682), (2142, 9788), (2447, 8568), (2856, 7341), (4284, 4894)]