20455160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46489}}^1$

素因数の和:46511

約数の個数: 32

約数和(自身を含む): 50209200

約数和(自身を除く): 29754040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46489, 92978, 185956, 232445, 371912, 464890, 511379, 929780, 1022758, 1859560, 2045516, 2556895, 4091032, 5113790, 10227580, 20455160]

約数ペア:

[(1, 20455160), (2, 10227580), (4, 5113790), (5, 4091032), (8, 2556895), (10, 2045516), (11, 1859560), (20, 1022758), (22, 929780), (40, 511379), (44, 464890), (55, 371912), (88, 232445), (110, 185956), (220, 92978), (440, 46489)]