20995302720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3124301}}^1$

素因数の和:3124328

約数の個数: 112

約数和(自身を含む): 76182979968

約数和(自身を除く): 55187677248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 3124301, 6248602, 9372903, 12497204, 15621505, 18745806, 21870107, 24994408, 31243010, 37491612, 43740214, 46864515, 49988816, 62486020, 65610321, 74983224, 87480428, 93729030, 99977632, 109350535, 124972040, 131220642, 149966448, 174960856, 187458060, 199955264, 218701070, 249944080, 262441284, 299932896, 328051605, 349921712, 374916120, 437402140, 499888160, 524882568, 599865792, 656103210, 699843424, 749832240, 874804280, 999776320, 1049765136, 1312206420, 1399686848, 1499664480, 1749608560, 2099530272, 2624412840, 2999328960, 3499217120, 4199060544, 5248825680, 6998434240, 10497651360, 20995302720]

約数ペア:

[(1, 20995302720), (2, 10497651360), (3, 6998434240), (4, 5248825680), (5, 4199060544), (6, 3499217120), (7, 2999328960), (8, 2624412840), (10, 2099530272), (12, 1749608560), (14, 1499664480), (15, 1399686848), (16, 1312206420), (20, 1049765136), (21, 999776320), (24, 874804280), (28, 749832240), (30, 699843424), (32, 656103210), (35, 599865792), (40, 524882568), (42, 499888160), (48, 437402140), (56, 374916120), (60, 349921712), (64, 328051605), (70, 299932896), (80, 262441284), (84, 249944080), (96, 218701070), (105, 199955264), (112, 187458060), (120, 174960856), (140, 149966448), (160, 131220642), (168, 124972040), (192, 109350535), (210, 99977632), (224, 93729030), (240, 87480428), (280, 74983224), (320, 65610321), (336, 62486020), (420, 49988816), (448, 46864515), (480, 43740214), (560, 37491612), (672, 31243010), (840, 24994408), (960, 21870107), (1120, 18745806), (1344, 15621505), (1680, 12497204), (2240, 9372903), (3360, 6248602), (6720, 3124301)]