20702900405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{23021}}^1$

素因数の和:23317

約数の個数: 32

約数和(自身を含む): 27568937088

約数和(自身を除く): 6866036683

約数列:

[1, 5, 11, 55, 83, 197, 415, 913, 985, 2167, 4565, 10835, 16351, 23021, 81755, 115105, 179861, 253231, 899305, 1266155, 1910743, 4535137, 9553715, 21018173, 22675685, 49886507, 105090865, 249432535, 376416371, 1882081855, 4140580081, 20702900405]

約数ペア:

[(1, 20702900405), (5, 4140580081), (11, 1882081855), (55, 376416371), (83, 249432535), (197, 105090865), (415, 49886507), (913, 22675685), (985, 21018173), (2167, 9553715), (4565, 4535137), (10835, 1910743), (16351, 1266155), (23021, 899305), (81755, 253231), (115105, 179861)]