20661168

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 38263632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 109, 132, 176, 218, 264, 327, 359, 436, 528, 654, 718, 872, 1077, 1199, 1308, 1436, 1744, 2154, 2398, 2616, 2872, 3597, 3949, 4308, 4796, 5232, 5744, 7194, 7898, 8616, 9592, 11847, 14388, 15796, 17232, 19184, 23694, 28776, 31592, 39131, 47388, 57552, 63184, 78262, 94776, 117393, 156524, 189552, 234786, 313048, 430441, 469572, 626096, 860882, 939144, 1291323, 1721764, 1878288, 2582646, 3443528, 5165292, 6887056, 10330584, 20661168]

約数ペア:

[(1, 20661168), (2, 10330584), (3, 6887056), (4, 5165292), (6, 3443528), (8, 2582646), (11, 1878288), (12, 1721764), (16, 1291323), (22, 939144), (24, 860882), (33, 626096), (44, 469572), (48, 430441), (66, 313048), (88, 234786), (109, 189552), (132, 156524), (176, 117393), (218, 94776), (264, 78262), (327, 63184), (359, 57552), (436, 47388), (528, 39131), (654, 31592), (718, 28776), (872, 23694), (1077, 19184), (1199, 17232), (1308, 15796), (1436, 14388), (1744, 11847), (2154, 9592), (2398, 8616), (2616, 7898), (2872, 7194), (3597, 5744), (3949, 5232), (4308, 4796)]