20538582272

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{877}}^1$

素因数の和:1164

約数の個数: 144

約数和(自身を含む): 45827722752

約数和(自身を除く): 25289140480

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 227, 248, 256, 403, 416, 454, 496, 806, 832, 877, 908, 992, 1612, 1664, 1754, 1816, 1984, 2951, 3224, 3328, 3508, 3632, 3968, 5902, 6448, 7016, 7037, 7264, 7936, 11401, 11804, 12896, 14032, 14074, 14528, 22802, 23608, 25792, 27187, 28064, 28148, 29056, 45604, 47216, 51584, 54374, 56128, 56296, 58112, 91208, 91481, 94432, 103168, 108748, 112256, 112592, 182416, 182962, 188864, 199079, 217496, 224512, 225184, 353431, 364832, 365924, 377728, 398158, 434992, 450368, 706862, 729664, 731848, 755456, 796316, 869984, 900736, 1413724, 1459328, 1463696, 1592632, 1739968, 1801472, 2588027, 2827448, 2918656, 2927392, 3185264, 3479936, 5176054, 5654896, 5854784, 6171449, 6370528, 6959872, 10352108, 11309792, 11709568, 12342898, 12741056, 20704216, 22619584, 23419136, 24685796, 25482112, 41408432, 45239168, 49371592, 50964224, 80228837, 82816864, 90478336, 98743184, 160457674, 165633728, 197486368, 320915348, 331267456, 394972736, 641830696, 662534912, 789945472, 1283661392, 1579890944, 2567322784, 5134645568, 10269291136, 20538582272]

約数ペア:

[(1, 20538582272), (2, 10269291136), (4, 5134645568), (8, 2567322784), (13, 1579890944), (16, 1283661392), (26, 789945472), (31, 662534912), (32, 641830696), (52, 394972736), (62, 331267456), (64, 320915348), (104, 197486368), (124, 165633728), (128, 160457674), (208, 98743184), (227, 90478336), (248, 82816864), (256, 80228837), (403, 50964224), (416, 49371592), (454, 45239168), (496, 41408432), (806, 25482112), (832, 24685796), (877, 23419136), (908, 22619584), (992, 20704216), (1612, 12741056), (1664, 12342898), (1754, 11709568), (1816, 11309792), (1984, 10352108), (2951, 6959872), (3224, 6370528), (3328, 6171449), (3508, 5854784), (3632, 5654896), (3968, 5176054), (5902, 3479936), (6448, 3185264), (7016, 2927392), (7037, 2918656), (7264, 2827448), (7936, 2588027), (11401, 1801472), (11804, 1739968), (12896, 1592632), (14032, 1463696), (14074, 1459328), (14528, 1413724), (22802, 900736), (23608, 869984), (25792, 796316), (27187, 755456), (28064, 731848), (28148, 729664), (29056, 706862), (45604, 450368), (47216, 434992), (51584, 398158), (54374, 377728), (56128, 365924), (56296, 364832), (58112, 353431), (91208, 225184), (91481, 224512), (94432, 217496), (103168, 199079), (108748, 188864), (112256, 182962), (112592, 182416)]