20946156732

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{190579}}^1$

素因数の和:190703

約数の個数: 72

約数和(自身を含む): 54941927040

約数和(自身を除く): 33995770308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 71, 86, 129, 142, 172, 213, 258, 284, 387, 426, 516, 639, 774, 852, 1278, 1548, 2556, 3053, 6106, 9159, 12212, 18318, 27477, 36636, 54954, 109908, 190579, 381158, 571737, 762316, 1143474, 1715211, 2286948, 3430422, 6860844, 8194897, 13531109, 16389794, 24584691, 27062218, 32779588, 40593327, 49169382, 54124436, 73754073, 81186654, 98338764, 121779981, 147508146, 162373308, 243559962, 295016292, 487119924, 581837687, 1163675374, 1745513061, 2327350748, 3491026122, 5236539183, 6982052244, 10473078366, 20946156732]

約数ペア:

[(1, 20946156732), (2, 10473078366), (3, 6982052244), (4, 5236539183), (6, 3491026122), (9, 2327350748), (12, 1745513061), (18, 1163675374), (36, 581837687), (43, 487119924), (71, 295016292), (86, 243559962), (129, 162373308), (142, 147508146), (172, 121779981), (213, 98338764), (258, 81186654), (284, 73754073), (387, 54124436), (426, 49169382), (516, 40593327), (639, 32779588), (774, 27062218), (852, 24584691), (1278, 16389794), (1548, 13531109), (2556, 8194897), (3053, 6860844), (6106, 3430422), (9159, 2286948), (12212, 1715211), (18318, 1143474), (27477, 762316), (36636, 571737), (54954, 381158), (109908, 190579)]