20585526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 45735312

約数和(自身を除く): 25149786

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 157, 246, 314, 471, 533, 942, 1066, 1599, 1681, 2041, 3198, 3362, 4082, 5043, 6123, 6437, 10086, 12246, 12874, 19311, 21853, 38622, 43706, 65559, 83681, 131118, 167362, 251043, 263917, 502086, 527834, 791751, 1583502, 3430921, 6861842, 10292763, 20585526]

約数ペア:

[(1, 20585526), (2, 10292763), (3, 6861842), (6, 3430921), (13, 1583502), (26, 791751), (39, 527834), (41, 502086), (78, 263917), (82, 251043), (123, 167362), (157, 131118), (246, 83681), (314, 65559), (471, 43706), (533, 38622), (942, 21853), (1066, 19311), (1599, 12874), (1681, 12246), (2041, 10086), (3198, 6437), (3362, 6123), (4082, 5043)]