20051680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11393}}^1$

素因数の和:11419

約数の個数: 48

約数和(自身を含む): 51683184

約数和(自身を除く): 31631504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11393, 22786, 45572, 56965, 91144, 113930, 125323, 182288, 227860, 250646, 364576, 455720, 501292, 626615, 911440, 1002584, 1253230, 1822880, 2005168, 2506460, 4010336, 5012920, 10025840, 20051680]

約数ペア:

[(1, 20051680), (2, 10025840), (4, 5012920), (5, 4010336), (8, 2506460), (10, 2005168), (11, 1822880), (16, 1253230), (20, 1002584), (22, 911440), (32, 626615), (40, 501292), (44, 455720), (55, 364576), (80, 250646), (88, 227860), (110, 182288), (160, 125323), (176, 113930), (220, 91144), (352, 56965), (440, 45572), (880, 22786), (1760, 11393)]