20274800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:595

約数の個数: 120

約数和(自身を含む): 60058656

約数和(自身を除く): 39783856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 557, 560, 650, 700, 728, 910, 1040, 1114, 1300, 1400, 1456, 1820, 2228, 2275, 2600, 2785, 2800, 3640, 3899, 4456, 4550, 5200, 5570, 7241, 7280, 7798, 8912, 9100, 11140, 13925, 14482, 15596, 18200, 19495, 22280, 27850, 28964, 31192, 36205, 36400, 38990, 44560, 50687, 55700, 57928, 62384, 72410, 77980, 97475, 101374, 111400, 115856, 144820, 155960, 181025, 194950, 202748, 222800, 253435, 289640, 311920, 362050, 389900, 405496, 506870, 579280, 724100, 779800, 810992, 1013740, 1267175, 1448200, 1559600, 2027480, 2534350, 2896400, 4054960, 5068700, 10137400, 20274800]

約数ペア:

[(1, 20274800), (2, 10137400), (4, 5068700), (5, 4054960), (7, 2896400), (8, 2534350), (10, 2027480), (13, 1559600), (14, 1448200), (16, 1267175), (20, 1013740), (25, 810992), (26, 779800), (28, 724100), (35, 579280), (40, 506870), (50, 405496), (52, 389900), (56, 362050), (65, 311920), (70, 289640), (80, 253435), (91, 222800), (100, 202748), (104, 194950), (112, 181025), (130, 155960), (140, 144820), (175, 115856), (182, 111400), (200, 101374), (208, 97475), (260, 77980), (280, 72410), (325, 62384), (350, 57928), (364, 55700), (400, 50687), (455, 44560), (520, 38990), (557, 36400), (560, 36205), (650, 31192), (700, 28964), (728, 27850), (910, 22280), (1040, 19495), (1114, 18200), (1300, 15596), (1400, 14482), (1456, 13925), (1820, 11140), (2228, 9100), (2275, 8912), (2600, 7798), (2785, 7280), (2800, 7241), (3640, 5570), (3899, 5200), (4456, 4550)]