20373760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1$

素因数の和:1479

約数の個数: 72

約数和(自身を含む): 53274816

約数和(自身を除く): 32901056

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, 640, 704, 880, 1280, 1408, 1447, 1760, 2816, 2894, 3520, 5788, 7040, 7235, 11576, 14080, 14470, 15917, 23152, 28940, 31834, 46304, 57880, 63668, 79585, 92608, 115760, 127336, 159170, 185216, 231520, 254672, 318340, 370432, 463040, 509344, 636680, 926080, 1018688, 1273360, 1852160, 2037376, 2546720, 4074752, 5093440, 10186880, 20373760]

約数ペア:

[(1, 20373760), (2, 10186880), (4, 5093440), (5, 4074752), (8, 2546720), (10, 2037376), (11, 1852160), (16, 1273360), (20, 1018688), (22, 926080), (32, 636680), (40, 509344), (44, 463040), (55, 370432), (64, 318340), (80, 254672), (88, 231520), (110, 185216), (128, 159170), (160, 127336), (176, 115760), (220, 92608), (256, 79585), (320, 63668), (352, 57880), (440, 46304), (640, 31834), (704, 28940), (880, 23152), (1280, 15917), (1408, 14470), (1447, 14080), (1760, 11576), (2816, 7235), (2894, 7040), (3520, 5788)]