20857178144

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{12583}}^1$

素因数の和:12898

約数の個数: 96

約数和(自身を含む): 47605574016

約数和(自身を除く): 26748395872

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 277, 352, 374, 544, 554, 748, 1108, 1496, 2216, 2992, 3047, 4432, 4709, 5984, 6094, 8864, 9418, 12188, 12583, 18836, 24376, 25166, 37672, 48752, 50332, 51799, 75344, 97504, 100664, 103598, 138413, 150688, 201328, 207196, 213911, 276826, 402656, 414392, 427822, 553652, 828784, 855644, 1107304, 1657568, 1711288, 2214608, 2353021, 3422576, 3485491, 4429216, 4706042, 6845152, 6970982, 9412084, 13941964, 18824168, 27883928, 37648336, 38340401, 55767856, 59253347, 75296672, 76680802, 111535712, 118506694, 153361604, 237013388, 306723208, 474026776, 613446416, 651786817, 948053552, 1226892832, 1303573634, 1896107104, 2607147268, 5214294536, 10428589072, 20857178144]

約数ペア:

[(1, 20857178144), (2, 10428589072), (4, 5214294536), (8, 2607147268), (11, 1896107104), (16, 1303573634), (17, 1226892832), (22, 948053552), (32, 651786817), (34, 613446416), (44, 474026776), (68, 306723208), (88, 237013388), (136, 153361604), (176, 118506694), (187, 111535712), (272, 76680802), (277, 75296672), (352, 59253347), (374, 55767856), (544, 38340401), (554, 37648336), (748, 27883928), (1108, 18824168), (1496, 13941964), (2216, 9412084), (2992, 6970982), (3047, 6845152), (4432, 4706042), (4709, 4429216), (5984, 3485491), (6094, 3422576), (8864, 2353021), (9418, 2214608), (12188, 1711288), (12583, 1657568), (18836, 1107304), (24376, 855644), (25166, 828784), (37672, 553652), (48752, 427822), (50332, 414392), (51799, 402656), (75344, 276826), (97504, 213911), (100664, 207196), (103598, 201328), (138413, 150688)]