20571456

素因数分解:

$2^6\times 3^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:671

約数の個数: 56

約数和(自身を含む): 54762400

約数和(自身を除く): 34190944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 307, 349, 614, 698, 921, 1047, 1228, 1396, 1842, 2094, 2456, 2792, 3684, 4188, 4912, 5584, 7368, 8376, 9824, 11168, 14736, 16752, 19648, 22336, 29472, 33504, 58944, 67008, 107143, 214286, 321429, 428572, 642858, 857144, 1285716, 1714288, 2571432, 3428576, 5142864, 6857152, 10285728, 20571456]

約数ペア:

[(1, 20571456), (2, 10285728), (3, 6857152), (4, 5142864), (6, 3428576), (8, 2571432), (12, 1714288), (16, 1285716), (24, 857144), (32, 642858), (48, 428572), (64, 321429), (96, 214286), (192, 107143), (307, 67008), (349, 58944), (614, 33504), (698, 29472), (921, 22336), (1047, 19648), (1228, 16752), (1396, 14736), (1842, 11168), (2094, 9824), (2456, 8376), (2792, 7368), (3684, 5584), (4188, 4912)]