20088640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 112

約数和(自身を含む): 56327040

約数和(自身を除く): 36238400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 439, 440, 520, 572, 704, 715, 832, 878, 880, 1040, 1144, 1430, 1756, 1760, 2080, 2195, 2288, 2860, 3512, 3520, 4160, 4390, 4576, 4829, 5707, 5720, 7024, 8780, 9152, 9658, 11414, 11440, 14048, 17560, 19316, 22828, 22880, 24145, 28096, 28535, 35120, 38632, 45656, 45760, 48290, 57070, 62777, 70240, 77264, 91312, 96580, 114140, 125554, 140480, 154528, 182624, 193160, 228280, 251108, 309056, 313885, 365248, 386320, 456560, 502216, 627770, 772640, 913120, 1004432, 1255540, 1545280, 1826240, 2008864, 2511080, 4017728, 5022160, 10044320, 20088640]

約数ペア:

[(1, 20088640), (2, 10044320), (4, 5022160), (5, 4017728), (8, 2511080), (10, 2008864), (11, 1826240), (13, 1545280), (16, 1255540), (20, 1004432), (22, 913120), (26, 772640), (32, 627770), (40, 502216), (44, 456560), (52, 386320), (55, 365248), (64, 313885), (65, 309056), (80, 251108), (88, 228280), (104, 193160), (110, 182624), (130, 154528), (143, 140480), (160, 125554), (176, 114140), (208, 96580), (220, 91312), (260, 77264), (286, 70240), (320, 62777), (352, 57070), (416, 48290), (439, 45760), (440, 45656), (520, 38632), (572, 35120), (704, 28535), (715, 28096), (832, 24145), (878, 22880), (880, 22828), (1040, 19316), (1144, 17560), (1430, 14048), (1756, 11440), (1760, 11414), (2080, 9658), (2195, 9152), (2288, 8780), (2860, 7024), (3512, 5720), (3520, 5707), (4160, 4829), (4390, 4576)]