20572749568

素因数分解:

$2^8\times 7^2\times {\mathrm{1013}}^1\times {\mathrm{1619}}^1$

素因数の和:2662

約数の個数: 108

約数和(自身を含む): 47846340360

約数和(自身を除く): 27273590792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1013, 1568, 1619, 1792, 2026, 3136, 3238, 4052, 6272, 6476, 7091, 8104, 11333, 12544, 12952, 14182, 16208, 22666, 25904, 28364, 32416, 45332, 49637, 51808, 56728, 64832, 79331, 90664, 99274, 103616, 113456, 129664, 158662, 181328, 198548, 207232, 226912, 259328, 317324, 362656, 397096, 414464, 453824, 634648, 725312, 794192, 907648, 1269296, 1450624, 1588384, 1640047, 1815296, 2538592, 2901248, 3176768, 3280094, 5077184, 6353536, 6560188, 10154368, 11480329, 12707072, 13120376, 20308736, 22960658, 26240752, 45921316, 52481504, 80362303, 91842632, 104963008, 160724606, 183685264, 209926016, 321449212, 367370528, 419852032, 642898424, 734741056, 1285796848, 1469482112, 2571593696, 2938964224, 5143187392, 10286374784, 20572749568]

約数ペア:

[(1, 20572749568), (2, 10286374784), (4, 5143187392), (7, 2938964224), (8, 2571593696), (14, 1469482112), (16, 1285796848), (28, 734741056), (32, 642898424), (49, 419852032), (56, 367370528), (64, 321449212), (98, 209926016), (112, 183685264), (128, 160724606), (196, 104963008), (224, 91842632), (256, 80362303), (392, 52481504), (448, 45921316), (784, 26240752), (896, 22960658), (1013, 20308736), (1568, 13120376), (1619, 12707072), (1792, 11480329), (2026, 10154368), (3136, 6560188), (3238, 6353536), (4052, 5077184), (6272, 3280094), (6476, 3176768), (7091, 2901248), (8104, 2538592), (11333, 1815296), (12544, 1640047), (12952, 1588384), (14182, 1450624), (16208, 1269296), (22666, 907648), (25904, 794192), (28364, 725312), (32416, 634648), (45332, 453824), (49637, 414464), (51808, 397096), (56728, 362656), (64832, 317324), (79331, 259328), (90664, 226912), (99274, 207232), (103616, 198548), (113456, 181328), (129664, 158662)]