20599600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1051}}^1$

素因数の和:1083

約数の個数: 90

約数和(自身を含む): 57625404

約数和(自身を除く): 37025804

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, 1051, 1225, 1400, 1960, 2102, 2450, 2800, 3920, 4204, 4900, 5255, 7357, 8408, 9800, 10510, 14714, 16816, 19600, 21020, 26275, 29428, 36785, 42040, 51499, 52550, 58856, 73570, 84080, 102998, 105100, 117712, 147140, 183925, 205996, 210200, 257495, 294280, 367850, 411992, 420400, 514990, 588560, 735700, 823984, 1029980, 1287475, 1471400, 2059960, 2574950, 2942800, 4119920, 5149900, 10299800, 20599600]

約数ペア:

[(1, 20599600), (2, 10299800), (4, 5149900), (5, 4119920), (7, 2942800), (8, 2574950), (10, 2059960), (14, 1471400), (16, 1287475), (20, 1029980), (25, 823984), (28, 735700), (35, 588560), (40, 514990), (49, 420400), (50, 411992), (56, 367850), (70, 294280), (80, 257495), (98, 210200), (100, 205996), (112, 183925), (140, 147140), (175, 117712), (196, 105100), (200, 102998), (245, 84080), (280, 73570), (350, 58856), (392, 52550), (400, 51499), (490, 42040), (560, 36785), (700, 29428), (784, 26275), (980, 21020), (1051, 19600), (1225, 16816), (1400, 14714), (1960, 10510), (2102, 9800), (2450, 8408), (2800, 7357), (3920, 5255), (4204, 4900)]