20294336

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 56

約数和(自身を含む): 42574464

約数和(自身を除く): 22280128

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 193, 212, 248, 386, 424, 496, 772, 848, 992, 1544, 1643, 1696, 1984, 3088, 3286, 3392, 5983, 6176, 6572, 10229, 11966, 12352, 13144, 20458, 23932, 26288, 40916, 47864, 52576, 81832, 95728, 105152, 163664, 191456, 317099, 327328, 382912, 634198, 654656, 1268396, 2536792, 5073584, 10147168, 20294336]

約数ペア:

[(1, 20294336), (2, 10147168), (4, 5073584), (8, 2536792), (16, 1268396), (31, 654656), (32, 634198), (53, 382912), (62, 327328), (64, 317099), (106, 191456), (124, 163664), (193, 105152), (212, 95728), (248, 81832), (386, 52576), (424, 47864), (496, 40916), (772, 26288), (848, 23932), (992, 20458), (1544, 13144), (1643, 12352), (1696, 11966), (1984, 10229), (3088, 6572), (3286, 6176), (3392, 5983)]