20228890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1063}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 39989376

約数和(自身を除く): 19760486

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1063, 1730, 1903, 2126, 3806, 5315, 9515, 10630, 11693, 19030, 23386, 58465, 116930, 183899, 367798, 919495, 1838990, 2022889, 4045778, 10114445, 20228890]

約数ペア:

[(1, 20228890), (2, 10114445), (5, 4045778), (10, 2022889), (11, 1838990), (22, 919495), (55, 367798), (110, 183899), (173, 116930), (346, 58465), (865, 23386), (1063, 19030), (1730, 11693), (1903, 10630), (2126, 9515), (3806, 5315)]