20117790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2903}}^1$

素因数の和:2934

約数の個数: 96

約数和(自身を含む): 65235456

約数和(自身を除く): 45117666

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 154, 165, 198, 210, 231, 315, 330, 385, 462, 495, 630, 693, 770, 990, 1155, 1386, 2310, 2903, 3465, 5806, 6930, 8709, 14515, 17418, 20321, 26127, 29030, 31933, 40642, 43545, 52254, 60963, 63866, 87090, 95799, 101605, 121926, 130635, 159665, 182889, 191598, 203210, 223531, 261270, 287397, 304815, 319330, 365778, 447062, 478995, 574794, 609630, 670593, 914445, 957990, 1117655, 1341186, 1436985, 1828890, 2011779, 2235310, 2873970, 3352965, 4023558, 6705930, 10058895, 20117790]

約数ペア:

[(1, 20117790), (2, 10058895), (3, 6705930), (5, 4023558), (6, 3352965), (7, 2873970), (9, 2235310), (10, 2011779), (11, 1828890), (14, 1436985), (15, 1341186), (18, 1117655), (21, 957990), (22, 914445), (30, 670593), (33, 609630), (35, 574794), (42, 478995), (45, 447062), (55, 365778), (63, 319330), (66, 304815), (70, 287397), (77, 261270), (90, 223531), (99, 203210), (105, 191598), (110, 182889), (126, 159665), (154, 130635), (165, 121926), (198, 101605), (210, 95799), (231, 87090), (315, 63866), (330, 60963), (385, 52254), (462, 43545), (495, 40642), (630, 31933), (693, 29030), (770, 26127), (990, 20321), (1155, 17418), (1386, 14515), (2310, 8709), (2903, 6930), (3465, 5806)]