20246800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1033}}^1$

素因数の和:1065

約数の個数: 90

約数和(自身を含む): 56639418

約数和(自身を除く): 36392618

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1033, 1225, 1400, 1960, 2066, 2450, 2800, 3920, 4132, 4900, 5165, 7231, 8264, 9800, 10330, 14462, 16528, 19600, 20660, 25825, 28924, 36155, 41320, 50617, 51650, 57848, 72310, 82640, 101234, 103300, 115696, 144620, 180775, 202468, 206600, 253085, 289240, 361550, 404936, 413200, 506170, 578480, 723100, 809872, 1012340, 1265425, 1446200, 2024680, 2530850, 2892400, 4049360, 5061700, 10123400, 20246800]

約数ペア:

[(1, 20246800), (2, 10123400), (4, 5061700), (5, 4049360), (7, 2892400), (8, 2530850), (10, 2024680), (14, 1446200), (16, 1265425), (20, 1012340), (25, 809872), (28, 723100), (35, 578480), (40, 506170), (49, 413200), (50, 404936), (56, 361550), (70, 289240), (80, 253085), (98, 206600), (100, 202468), (112, 180775), (140, 144620), (175, 115696), (196, 103300), (200, 101234), (245, 82640), (280, 72310), (350, 57848), (392, 51650), (400, 50617), (490, 41320), (560, 36155), (700, 28924), (784, 25825), (980, 20660), (1033, 19600), (1225, 16528), (1400, 14462), (1960, 10330), (2066, 9800), (2450, 8264), (2800, 7231), (3920, 5165), (4132, 4900)]