20243762

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 39152160

約数和(自身を除く): 18908398

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 154, 178, 211, 422, 539, 623, 979, 1078, 1246, 1477, 1958, 2321, 2954, 4361, 4642, 6853, 8722, 10339, 13706, 16247, 18779, 20678, 32494, 37558, 47971, 95942, 113729, 131453, 206569, 227458, 262906, 413138, 920171, 1445983, 1840342, 2891966, 10121881, 20243762]

約数ペア:

[(1, 20243762), (2, 10121881), (7, 2891966), (11, 1840342), (14, 1445983), (22, 920171), (49, 413138), (77, 262906), (89, 227458), (98, 206569), (154, 131453), (178, 113729), (211, 95942), (422, 47971), (539, 37558), (623, 32494), (979, 20678), (1078, 18779), (1246, 16247), (1477, 13706), (1958, 10339), (2321, 8722), (2954, 6853), (4361, 4642)]