20216284815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1\times {\mathrm{1237}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 34136948736

約数和(自身を除く): 13920663921

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 373, 381, 635, 1119, 1237, 1865, 1905, 2921, 3711, 5595, 6185, 8579, 8763, 14605, 18555, 25737, 28451, 42895, 43815, 47371, 85353, 128685, 142113, 142255, 157099, 236855, 426765, 461401, 471297, 710565, 785495, 1089533, 1384203, 2307005, 2356485, 3268599, 3613277, 5447665, 6921015, 10612223, 10839831, 16342995, 18066385, 31836669, 53061115, 54199155, 58597927, 159183345, 175793781, 292989635, 878968905, 1347752321, 4043256963, 6738761605, 20216284815]

約数ペア:

[(1, 20216284815), (3, 6738761605), (5, 4043256963), (15, 1347752321), (23, 878968905), (69, 292989635), (115, 175793781), (127, 159183345), (345, 58597927), (373, 54199155), (381, 53061115), (635, 31836669), (1119, 18066385), (1237, 16342995), (1865, 10839831), (1905, 10612223), (2921, 6921015), (3711, 5447665), (5595, 3613277), (6185, 3268599), (8579, 2356485), (8763, 2307005), (14605, 1384203), (18555, 1089533), (25737, 785495), (28451, 710565), (42895, 471297), (43815, 461401), (47371, 426765), (85353, 236855), (128685, 157099), (142113, 142255)]