20451444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4229}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 32609676

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4229, 4836, 8458, 12687, 16916, 25374, 50748, 54977, 109954, 131099, 164931, 219908, 262198, 329862, 393297, 524396, 659724, 786594, 1573188, 1704287, 3408574, 5112861, 6817148, 10225722, 20451444]

約数ペア:

[(1, 20451444), (2, 10225722), (3, 6817148), (4, 5112861), (6, 3408574), (12, 1704287), (13, 1573188), (26, 786594), (31, 659724), (39, 524396), (52, 393297), (62, 329862), (78, 262198), (93, 219908), (124, 164931), (156, 131099), (186, 109954), (372, 54977), (403, 50748), (806, 25374), (1209, 16916), (1612, 12687), (2418, 8458), (4229, 4836)]