20605806

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 29290194

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 149, 197, 234, 298, 351, 394, 447, 591, 702, 894, 1182, 1341, 1773, 1937, 2561, 2682, 3546, 3874, 4023, 5122, 5319, 5811, 7683, 8046, 10638, 11622, 15366, 17433, 23049, 29353, 34866, 46098, 52299, 58706, 69147, 88059, 104598, 138294, 176118, 264177, 381589, 528354, 763178, 792531, 1144767, 1585062, 2289534, 3434301, 6868602, 10302903, 20605806]

約数ペア:

[(1, 20605806), (2, 10302903), (3, 6868602), (6, 3434301), (9, 2289534), (13, 1585062), (18, 1144767), (26, 792531), (27, 763178), (39, 528354), (54, 381589), (78, 264177), (117, 176118), (149, 138294), (197, 104598), (234, 88059), (298, 69147), (351, 58706), (394, 52299), (447, 46098), (591, 34866), (702, 29353), (894, 23049), (1182, 17433), (1341, 15366), (1773, 11622), (1937, 10638), (2561, 8046), (2682, 7683), (3546, 5811), (3874, 5319), (4023, 5122)]