20999701966

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{27427}}^1$

素因数の和:27808

約数の個数: 32

約数和(自身を含む): 33453383040

約数和(自身を除く): 12453681074

約数列:

[1, 2, 29, 43, 58, 86, 307, 614, 1247, 2494, 8903, 13201, 17806, 26402, 27427, 54854, 382829, 765658, 795383, 1179361, 1590766, 2358722, 8420089, 16840178, 34201469, 68402938, 244182581, 362063827, 488365162, 724127654, 10499850983, 20999701966]

約数ペア:

[(1, 20999701966), (2, 10499850983), (29, 724127654), (43, 488365162), (58, 362063827), (86, 244182581), (307, 68402938), (614, 34201469), (1247, 16840178), (2494, 8420089), (8903, 2358722), (13201, 1590766), (17806, 1179361), (26402, 795383), (27427, 765658), (54854, 382829)]