20748244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 20539436

約数列:

[1, 2, 4, 11, 22, 44, 47, 79, 94, 127, 158, 188, 254, 316, 508, 517, 869, 1034, 1397, 1738, 2068, 2794, 3476, 3713, 5588, 5969, 7426, 10033, 11938, 14852, 20066, 23876, 40132, 40843, 65659, 81686, 110363, 131318, 163372, 220726, 262636, 441452, 471551, 943102, 1886204, 5187061, 10374122, 20748244]

約数ペア:

[(1, 20748244), (2, 10374122), (4, 5187061), (11, 1886204), (22, 943102), (44, 471551), (47, 441452), (79, 262636), (94, 220726), (127, 163372), (158, 131318), (188, 110363), (254, 81686), (316, 65659), (508, 40843), (517, 40132), (869, 23876), (1034, 20066), (1397, 14852), (1738, 11938), (2068, 10033), (2794, 7426), (3476, 5969), (3713, 5588)]