20349084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1543}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 54645248

約数和(自身を除く): 34296164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1543, 1884, 2198, 3086, 3297, 4396, 4629, 6172, 6594, 9258, 10801, 13188, 18516, 21602, 32403, 43204, 64806, 129612, 242251, 484502, 726753, 969004, 1453506, 1695757, 2907012, 3391514, 5087271, 6783028, 10174542, 20349084]

約数ペア:

[(1, 20349084), (2, 10174542), (3, 6783028), (4, 5087271), (6, 3391514), (7, 2907012), (12, 1695757), (14, 1453506), (21, 969004), (28, 726753), (42, 484502), (84, 242251), (157, 129612), (314, 64806), (471, 43204), (628, 32403), (942, 21602), (1099, 18516), (1543, 13188), (1884, 10801), (2198, 9258), (3086, 6594), (3297, 6172), (4396, 4629)]