20683600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 58121280

約数和(自身を除く): 37437680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 83, 89, 100, 112, 140, 166, 175, 178, 200, 280, 332, 350, 356, 400, 415, 445, 560, 581, 623, 664, 700, 712, 830, 890, 1162, 1246, 1328, 1400, 1424, 1660, 1780, 2075, 2225, 2324, 2492, 2800, 2905, 3115, 3320, 3560, 4150, 4450, 4648, 4984, 5810, 6230, 6640, 7120, 7387, 8300, 8900, 9296, 9968, 11620, 12460, 14525, 14774, 15575, 16600, 17800, 23240, 24920, 29050, 29548, 31150, 33200, 35600, 36935, 46480, 49840, 51709, 58100, 59096, 62300, 73870, 103418, 116200, 118192, 124600, 147740, 184675, 206836, 232400, 249200, 258545, 295480, 369350, 413672, 517090, 590960, 738700, 827344, 1034180, 1292725, 1477400, 2068360, 2585450, 2954800, 4136720, 5170900, 10341800, 20683600]

約数ペア:

[(1, 20683600), (2, 10341800), (4, 5170900), (5, 4136720), (7, 2954800), (8, 2585450), (10, 2068360), (14, 1477400), (16, 1292725), (20, 1034180), (25, 827344), (28, 738700), (35, 590960), (40, 517090), (50, 413672), (56, 369350), (70, 295480), (80, 258545), (83, 249200), (89, 232400), (100, 206836), (112, 184675), (140, 147740), (166, 124600), (175, 118192), (178, 116200), (200, 103418), (280, 73870), (332, 62300), (350, 59096), (356, 58100), (400, 51709), (415, 49840), (445, 46480), (560, 36935), (581, 35600), (623, 33200), (664, 31150), (700, 29548), (712, 29050), (830, 24920), (890, 23240), (1162, 17800), (1246, 16600), (1328, 15575), (1400, 14774), (1424, 14525), (1660, 12460), (1780, 11620), (2075, 9968), (2225, 9296), (2324, 8900), (2492, 8300), (2800, 7387), (2905, 7120), (3115, 6640), (3320, 6230), (3560, 5810), (4150, 4984), (4450, 4648)]