20165677581

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2383}}^1\times {\mathrm{10891}}^1$

素因数の和:13321

約数の個数: 32

約数和(自身を含む): 31575298048

約数和(自身を除く): 11409620467

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 2383, 7149, 10891, 16681, 32673, 50043, 76237, 88171, 228711, 264513, 402967, 617197, 1208901, 1851591, 2820769, 8462307, 25953253, 77859759, 181672771, 545018313, 960270361, 2880811083, 6721892527, 20165677581]

約数ペア:

[(1, 20165677581), (3, 6721892527), (7, 2880811083), (21, 960270361), (37, 545018313), (111, 181672771), (259, 77859759), (777, 25953253), (2383, 8462307), (7149, 2820769), (10891, 1851591), (16681, 1208901), (32673, 617197), (50043, 402967), (76237, 264513), (88171, 228711)]