20207497744

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{11071}}^1$

素因数の和:11508

約数の個数: 80

約数和(自身を含む): 45910712320

約数和(自身を除く): 25703214576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 379, 602, 688, 758, 1204, 1516, 2408, 2653, 3032, 4816, 5306, 6064, 10612, 11071, 16297, 21224, 22142, 32594, 42448, 44284, 65188, 77497, 88568, 114079, 130376, 154994, 177136, 228158, 260752, 309988, 456316, 476053, 619976, 912632, 952106, 1239952, 1825264, 1904212, 3332371, 3808424, 4195909, 6664742, 7616848, 8391818, 13329484, 16783636, 26658968, 29371363, 33567272, 53317936, 58742726, 67134544, 117485452, 180424087, 234970904, 360848174, 469941808, 721696348, 1262968609, 1443392696, 2525937218, 2886785392, 5051874436, 10103748872, 20207497744]

約数ペア:

[(1, 20207497744), (2, 10103748872), (4, 5051874436), (7, 2886785392), (8, 2525937218), (14, 1443392696), (16, 1262968609), (28, 721696348), (43, 469941808), (56, 360848174), (86, 234970904), (112, 180424087), (172, 117485452), (301, 67134544), (344, 58742726), (379, 53317936), (602, 33567272), (688, 29371363), (758, 26658968), (1204, 16783636), (1516, 13329484), (2408, 8391818), (2653, 7616848), (3032, 6664742), (4816, 4195909), (5306, 3808424), (6064, 3332371), (10612, 1904212), (11071, 1825264), (16297, 1239952), (21224, 952106), (22142, 912632), (32594, 619976), (42448, 476053), (44284, 456316), (65188, 309988), (77497, 260752), (88568, 228158), (114079, 177136), (130376, 154994)]