20228936728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{5861}}^1$

素因数の和:6329

約数の個数: 128

約数和(自身を含む): 51052861440

約数和(自身を除く): 30823924712

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 431, 572, 616, 728, 862, 1001, 1144, 1724, 2002, 3017, 3448, 4004, 4741, 5603, 5861, 6034, 8008, 9482, 11206, 11722, 12068, 18964, 22412, 23444, 24136, 33187, 37928, 39221, 41027, 44824, 46888, 61633, 64471, 66374, 76193, 78442, 82054, 123266, 128942, 132748, 152386, 156884, 164108, 246532, 257884, 265496, 304772, 313768, 328216, 431431, 451297, 493064, 515768, 533351, 609544, 838123, 862862, 902594, 1066702, 1676246, 1725724, 1805188, 2133404, 2526091, 3352492, 3451448, 3610376, 4266808, 5052182, 5866861, 6704984, 10104364, 11733722, 17682637, 20208728, 23467444, 27787001, 32839183, 35365274, 46934888, 55574002, 65678366, 70730548, 111148004, 131356732, 141461096, 194509007, 222296008, 229874281, 262713464, 361231013, 389018014, 459748562, 722462026, 778036028, 919497124, 1444924052, 1556072056, 1838994248, 2528617091, 2889848104, 5057234182, 10114468364, 20228936728]

約数ペア:

[(1, 20228936728), (2, 10114468364), (4, 5057234182), (7, 2889848104), (8, 2528617091), (11, 1838994248), (13, 1556072056), (14, 1444924052), (22, 919497124), (26, 778036028), (28, 722462026), (44, 459748562), (52, 389018014), (56, 361231013), (77, 262713464), (88, 229874281), (91, 222296008), (104, 194509007), (143, 141461096), (154, 131356732), (182, 111148004), (286, 70730548), (308, 65678366), (364, 55574002), (431, 46934888), (572, 35365274), (616, 32839183), (728, 27787001), (862, 23467444), (1001, 20208728), (1144, 17682637), (1724, 11733722), (2002, 10104364), (3017, 6704984), (3448, 5866861), (4004, 5052182), (4741, 4266808), (5603, 3610376), (5861, 3451448), (6034, 3352492), (8008, 2526091), (9482, 2133404), (11206, 1805188), (11722, 1725724), (12068, 1676246), (18964, 1066702), (22412, 902594), (23444, 862862), (24136, 838123), (33187, 609544), (37928, 533351), (39221, 515768), (41027, 493064), (44824, 451297), (46888, 431431), (61633, 328216), (64471, 313768), (66374, 304772), (76193, 265496), (78442, 257884), (82054, 246532), (123266, 164108), (128942, 156884), (132748, 152386)]