20809912640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311153}}^1$

素因数の和:311200

約数の個数: 112

約数和(自身を含む): 56903843520

約数和(自身を除く): 36093930880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 320, 352, 380, 418, 440, 608, 704, 760, 836, 880, 1045, 1216, 1520, 1672, 1760, 2090, 3040, 3344, 3520, 4180, 6080, 6688, 8360, 13376, 16720, 33440, 66880, 311153, 622306, 1244612, 1555765, 2489224, 3111530, 3422683, 4978448, 5911907, 6223060, 6845366, 9956896, 11823814, 12446120, 13690732, 17113415, 19913792, 23647628, 24892240, 27381464, 29559535, 34226830, 47295256, 49784480, 54762928, 59119070, 65030977, 68453660, 94590512, 99568960, 109525856, 118238140, 130061954, 136907320, 189181024, 219051712, 236476280, 260123908, 273814640, 325154885, 378362048, 472952560, 520247816, 547629280, 650309770, 945905120, 1040495632, 1095258560, 1300619540, 1891810240, 2080991264, 2601239080, 4161982528, 5202478160, 10404956320, 20809912640]

約数ペア:

[(1, 20809912640), (2, 10404956320), (4, 5202478160), (5, 4161982528), (8, 2601239080), (10, 2080991264), (11, 1891810240), (16, 1300619540), (19, 1095258560), (20, 1040495632), (22, 945905120), (32, 650309770), (38, 547629280), (40, 520247816), (44, 472952560), (55, 378362048), (64, 325154885), (76, 273814640), (80, 260123908), (88, 236476280), (95, 219051712), (110, 189181024), (152, 136907320), (160, 130061954), (176, 118238140), (190, 109525856), (209, 99568960), (220, 94590512), (304, 68453660), (320, 65030977), (352, 59119070), (380, 54762928), (418, 49784480), (440, 47295256), (608, 34226830), (704, 29559535), (760, 27381464), (836, 24892240), (880, 23647628), (1045, 19913792), (1216, 17113415), (1520, 13690732), (1672, 12446120), (1760, 11823814), (2090, 9956896), (3040, 6845366), (3344, 6223060), (3520, 5911907), (4180, 4978448), (6080, 3422683), (6688, 3111530), (8360, 2489224), (13376, 1555765), (16720, 1244612), (33440, 622306), (66880, 311153)]