20459560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46499}}^1$

素因数の和:46521

約数の個数: 32

約数和(自身を含む): 50220000

約数和(自身を除く): 29760440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46499, 92998, 185996, 232495, 371992, 464990, 511489, 929980, 1022978, 1859960, 2045956, 2557445, 4091912, 5114890, 10229780, 20459560]

約数ペア:

[(1, 20459560), (2, 10229780), (4, 5114890), (5, 4091912), (8, 2557445), (10, 2045956), (11, 1859960), (20, 1022978), (22, 929980), (40, 511489), (44, 464990), (55, 371992), (88, 232495), (110, 185996), (220, 92998), (440, 46499)]