20271801616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{9043}}^1$

素因数の和:9380

約数の個数: 80

約数和(自身を含む): 43925188608

約数和(自身を除く): 23653386992

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 271, 376, 517, 542, 752, 1034, 1084, 2068, 2168, 2981, 4136, 4336, 5962, 8272, 9043, 11924, 12737, 18086, 23848, 25474, 36172, 47696, 50948, 72344, 99473, 101896, 140107, 144688, 198946, 203792, 280214, 397892, 425021, 560428, 795784, 850042, 1120856, 1591568, 1700084, 2241712, 2450653, 3400168, 4675231, 4901306, 6800336, 9350462, 9802612, 18700924, 19605224, 26957183, 37401848, 39210448, 53914366, 74803696, 107828732, 115180691, 215657464, 230361382, 431314928, 460722764, 921445528, 1266987601, 1842891056, 2533975202, 5067950404, 10135900808, 20271801616]

約数ペア:

[(1, 20271801616), (2, 10135900808), (4, 5067950404), (8, 2533975202), (11, 1842891056), (16, 1266987601), (22, 921445528), (44, 460722764), (47, 431314928), (88, 230361382), (94, 215657464), (176, 115180691), (188, 107828732), (271, 74803696), (376, 53914366), (517, 39210448), (542, 37401848), (752, 26957183), (1034, 19605224), (1084, 18700924), (2068, 9802612), (2168, 9350462), (2981, 6800336), (4136, 4901306), (4336, 4675231), (5962, 3400168), (8272, 2450653), (9043, 2241712), (11924, 1700084), (12737, 1591568), (18086, 1120856), (23848, 850042), (25474, 795784), (36172, 560428), (47696, 425021), (50948, 397892), (72344, 280214), (99473, 203792), (101896, 198946), (140107, 144688)]