20349776

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 41080704

約数和(自身を除く): 20730928

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 463, 536, 656, 926, 1072, 1852, 2747, 3704, 5494, 7408, 10988, 18983, 21976, 31021, 37966, 43952, 62042, 75932, 124084, 151864, 248168, 303728, 496336, 1271861, 2543722, 5087444, 10174888, 20349776]

約数ペア:

[(1, 20349776), (2, 10174888), (4, 5087444), (8, 2543722), (16, 1271861), (41, 496336), (67, 303728), (82, 248168), (134, 151864), (164, 124084), (268, 75932), (328, 62042), (463, 43952), (536, 37966), (656, 31021), (926, 21976), (1072, 18983), (1852, 10988), (2747, 7408), (3704, 5494)]