20718758445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{953}}^1\times {\mathrm{2689}}^1$

素因数の和:3675

約数の個数: 96

約数和(自身を含む): 42127724160

約数和(自身を除く): 21408965715

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 953, 1155, 1617, 2689, 2695, 2859, 4765, 6671, 8067, 8085, 10483, 13445, 14295, 18823, 20013, 29579, 31449, 33355, 40335, 46697, 52415, 56469, 73381, 88737, 94115, 100065, 131761, 140091, 147895, 157245, 207053, 220143, 233485, 282345, 366905, 395283, 443685, 513667, 621159, 658805, 700455, 1035265, 1100715, 1449371, 1541001, 1976415, 2562617, 2568335, 3105795, 4348113, 7246855, 7687851, 7705005, 12813085, 17938319, 21740565, 28188787, 38439255, 53814957, 84566361, 89691595, 125568233, 140943935, 197321509, 269074785, 376704699, 422831805, 591964527, 627841165, 986607545, 1381250563, 1883523495, 2959822635, 4143751689, 6906252815, 20718758445]

約数ペア:

[(1, 20718758445), (3, 6906252815), (5, 4143751689), (7, 2959822635), (11, 1883523495), (15, 1381250563), (21, 986607545), (33, 627841165), (35, 591964527), (49, 422831805), (55, 376704699), (77, 269074785), (105, 197321509), (147, 140943935), (165, 125568233), (231, 89691595), (245, 84566361), (385, 53814957), (539, 38439255), (735, 28188787), (953, 21740565), (1155, 17938319), (1617, 12813085), (2689, 7705005), (2695, 7687851), (2859, 7246855), (4765, 4348113), (6671, 3105795), (8067, 2568335), (8085, 2562617), (10483, 1976415), (13445, 1541001), (14295, 1449371), (18823, 1100715), (20013, 1035265), (29579, 700455), (31449, 658805), (33355, 621159), (40335, 513667), (46697, 443685), (52415, 395283), (56469, 366905), (73381, 282345), (88737, 233485), (94115, 220143), (100065, 207053), (131761, 157245), (140091, 147895)]