20246928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 57246336

約数和(自身を除く): 36999408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 71, 78, 104, 142, 156, 208, 213, 284, 312, 426, 457, 568, 624, 852, 914, 923, 1136, 1371, 1704, 1828, 1846, 2742, 2769, 3408, 3656, 3692, 5484, 5538, 5941, 7312, 7384, 10968, 11076, 11882, 14768, 17823, 21936, 22152, 23764, 32447, 35646, 44304, 47528, 64894, 71292, 95056, 97341, 129788, 142584, 194682, 259576, 285168, 389364, 421811, 519152, 778728, 843622, 1265433, 1557456, 1687244, 2530866, 3374488, 5061732, 6748976, 10123464, 20246928]

約数ペア:

[(1, 20246928), (2, 10123464), (3, 6748976), (4, 5061732), (6, 3374488), (8, 2530866), (12, 1687244), (13, 1557456), (16, 1265433), (24, 843622), (26, 778728), (39, 519152), (48, 421811), (52, 389364), (71, 285168), (78, 259576), (104, 194682), (142, 142584), (156, 129788), (208, 97341), (213, 95056), (284, 71292), (312, 64894), (426, 47528), (457, 44304), (568, 35646), (624, 32447), (852, 23764), (914, 22152), (923, 21936), (1136, 17823), (1371, 14768), (1704, 11882), (1828, 11076), (1846, 10968), (2742, 7384), (2769, 7312), (3408, 5941), (3656, 5538), (3692, 5484)]