20694400

素因数分解:

$2^7\times 5^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 53121600

約数和(自身を除く): 32427200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 128, 145, 160, 200, 223, 232, 290, 320, 400, 446, 464, 580, 640, 725, 800, 892, 928, 1115, 1160, 1450, 1600, 1784, 1856, 2230, 2320, 2900, 3200, 3568, 3712, 4460, 4640, 5575, 5800, 6467, 7136, 8920, 9280, 11150, 11600, 12934, 14272, 17840, 18560, 22300, 23200, 25868, 28544, 32335, 35680, 44600, 46400, 51736, 64670, 71360, 89200, 92800, 103472, 129340, 142720, 161675, 178400, 206944, 258680, 323350, 356800, 413888, 517360, 646700, 713600, 827776, 1034720, 1293400, 2069440, 2586800, 4138880, 5173600, 10347200, 20694400]

約数ペア:

[(1, 20694400), (2, 10347200), (4, 5173600), (5, 4138880), (8, 2586800), (10, 2069440), (16, 1293400), (20, 1034720), (25, 827776), (29, 713600), (32, 646700), (40, 517360), (50, 413888), (58, 356800), (64, 323350), (80, 258680), (100, 206944), (116, 178400), (128, 161675), (145, 142720), (160, 129340), (200, 103472), (223, 92800), (232, 89200), (290, 71360), (320, 64670), (400, 51736), (446, 46400), (464, 44600), (580, 35680), (640, 32335), (725, 28544), (800, 25868), (892, 23200), (928, 22300), (1115, 18560), (1160, 17840), (1450, 14272), (1600, 12934), (1784, 11600), (1856, 11150), (2230, 9280), (2320, 8920), (2900, 7136), (3200, 6467), (3568, 5800), (3712, 5575), (4460, 4640)]