20804977895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{6323}}^1$

素因数の和:6791

約数の個数: 32

約数和(自身を含む): 27130263552

約数和(自身を除く): 6325285657

約数列:

[1, 5, 13, 65, 223, 227, 1115, 1135, 2899, 2951, 6323, 14495, 14755, 31615, 50621, 82199, 253105, 410995, 658073, 1410029, 1435321, 3290365, 7050145, 7176605, 18330377, 18659173, 91651885, 93295865, 320076583, 1600382915, 4160995579, 20804977895]

約数ペア:

[(1, 20804977895), (5, 4160995579), (13, 1600382915), (65, 320076583), (223, 93295865), (227, 91651885), (1115, 18659173), (1135, 18330377), (2899, 7176605), (2951, 7050145), (6323, 3290365), (14495, 1435321), (14755, 1410029), (31615, 658073), (50621, 410995), (82199, 253105)]