20171906848

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{2087}}^1$

素因数の和:2330

約数の個数: 96

約数和(自身を含む): 41767850880

約数和(自身を除く): 21595944032

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 82, 106, 139, 164, 212, 278, 328, 424, 556, 656, 848, 1112, 1312, 1696, 2087, 2173, 2224, 4174, 4346, 4448, 5699, 7367, 8348, 8692, 11398, 14734, 16696, 17384, 22796, 29468, 33392, 34768, 45592, 58936, 66784, 69536, 85567, 91184, 110611, 117872, 171134, 182368, 221222, 235744, 290093, 302047, 342268, 442444, 580186, 604094, 684536, 884888, 1160372, 1208188, 1369072, 1769776, 2320744, 2416376, 2738144, 3539552, 4535051, 4641488, 4832752, 9070102, 9282976, 9665504, 11893813, 15374929, 18140204, 23787626, 30749858, 36280408, 47575252, 61499716, 72560816, 95150504, 122999432, 145121632, 190301008, 245998864, 380602016, 491997728, 630372089, 1260744178, 2521488356, 5042976712, 10085953424, 20171906848]

約数ペア:

[(1, 20171906848), (2, 10085953424), (4, 5042976712), (8, 2521488356), (16, 1260744178), (32, 630372089), (41, 491997728), (53, 380602016), (82, 245998864), (106, 190301008), (139, 145121632), (164, 122999432), (212, 95150504), (278, 72560816), (328, 61499716), (424, 47575252), (556, 36280408), (656, 30749858), (848, 23787626), (1112, 18140204), (1312, 15374929), (1696, 11893813), (2087, 9665504), (2173, 9282976), (2224, 9070102), (4174, 4832752), (4346, 4641488), (4448, 4535051), (5699, 3539552), (7367, 2738144), (8348, 2416376), (8692, 2320744), (11398, 1769776), (14734, 1369072), (16696, 1208188), (17384, 1160372), (22796, 884888), (29468, 684536), (33392, 604094), (34768, 580186), (45592, 442444), (58936, 342268), (66784, 302047), (69536, 290093), (85567, 235744), (91184, 221222), (110611, 182368), (117872, 171134)]