20193743248

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{220687}}^1$

素因数の和:220764

約数の個数: 80

約数和(自身を含む): 48162949120

約数和(自身を除く): 27969205872

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 43, 56, 76, 86, 112, 133, 152, 172, 266, 301, 304, 344, 532, 602, 688, 817, 1064, 1204, 1634, 2128, 2408, 3268, 4816, 5719, 6536, 11438, 13072, 22876, 45752, 91504, 220687, 441374, 882748, 1544809, 1765496, 3089618, 3530992, 4193053, 6179236, 8386106, 9489541, 12358472, 16772212, 18979082, 24716944, 29351371, 33544424, 37958164, 58702742, 66426787, 67088848, 75916328, 117405484, 132853574, 151832656, 180301279, 234810968, 265707148, 360602558, 469621936, 531414296, 721205116, 1062828592, 1262108953, 1442410232, 2524217906, 2884820464, 5048435812, 10096871624, 20193743248]

約数ペア:

[(1, 20193743248), (2, 10096871624), (4, 5048435812), (7, 2884820464), (8, 2524217906), (14, 1442410232), (16, 1262108953), (19, 1062828592), (28, 721205116), (38, 531414296), (43, 469621936), (56, 360602558), (76, 265707148), (86, 234810968), (112, 180301279), (133, 151832656), (152, 132853574), (172, 117405484), (266, 75916328), (301, 67088848), (304, 66426787), (344, 58702742), (532, 37958164), (602, 33544424), (688, 29351371), (817, 24716944), (1064, 18979082), (1204, 16772212), (1634, 12358472), (2128, 9489541), (2408, 8386106), (3268, 6179236), (4816, 4193053), (5719, 3530992), (6536, 3089618), (11438, 1765496), (13072, 1544809), (22876, 882748), (45752, 441374), (91504, 220687)]