20966112

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1752

約数の個数: 72

約数和(自身を含む): 61044984

約数和(自身を除く): 40078872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1693, 2064, 3096, 3386, 4128, 5079, 6192, 6772, 10158, 12384, 13544, 15237, 20316, 27088, 30474, 40632, 54176, 60948, 72799, 81264, 121896, 145598, 162528, 218397, 243792, 291196, 436794, 487584, 582392, 655191, 873588, 1164784, 1310382, 1747176, 2329568, 2620764, 3494352, 5241528, 6988704, 10483056, 20966112]

約数ペア:

[(1, 20966112), (2, 10483056), (3, 6988704), (4, 5241528), (6, 3494352), (8, 2620764), (9, 2329568), (12, 1747176), (16, 1310382), (18, 1164784), (24, 873588), (32, 655191), (36, 582392), (43, 487584), (48, 436794), (72, 291196), (86, 243792), (96, 218397), (129, 162528), (144, 145598), (172, 121896), (258, 81264), (288, 72799), (344, 60948), (387, 54176), (516, 40632), (688, 30474), (774, 27088), (1032, 20316), (1376, 15237), (1548, 13544), (1693, 12384), (2064, 10158), (3096, 6772), (3386, 6192), (4128, 5079)]