20247040

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:753

約数の個数: 80

約数和(自身を含む): 53032320

約数和(自身を除く): 32785280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 719, 880, 1280, 1408, 1438, 1760, 2560, 2816, 2876, 3520, 3595, 5632, 5752, 7040, 7190, 7909, 11504, 14080, 14380, 15818, 23008, 28160, 28760, 31636, 39545, 46016, 57520, 63272, 79090, 92032, 115040, 126544, 158180, 184064, 230080, 253088, 316360, 368128, 460160, 506176, 632720, 920320, 1012352, 1265440, 1840640, 2024704, 2530880, 4049408, 5061760, 10123520, 20247040]

約数ペア:

[(1, 20247040), (2, 10123520), (4, 5061760), (5, 4049408), (8, 2530880), (10, 2024704), (11, 1840640), (16, 1265440), (20, 1012352), (22, 920320), (32, 632720), (40, 506176), (44, 460160), (55, 368128), (64, 316360), (80, 253088), (88, 230080), (110, 184064), (128, 158180), (160, 126544), (176, 115040), (220, 92032), (256, 79090), (320, 63272), (352, 57520), (440, 46016), (512, 39545), (640, 31636), (704, 28760), (719, 28160), (880, 23008), (1280, 15818), (1408, 14380), (1438, 14080), (1760, 11504), (2560, 7909), (2816, 7190), (2876, 7040), (3520, 5752), (3595, 5632)]