20123486510

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{71327}}^1$

素因数の和:71740

約数の個数: 32

約数和(自身を含む): 36745332480

約数和(自身を除く): 16621845970

約数列:

[1, 2, 5, 10, 89, 178, 317, 445, 634, 890, 1585, 3170, 28213, 56426, 71327, 141065, 142654, 282130, 356635, 713270, 6348103, 12696206, 22610659, 31740515, 45221318, 63481030, 113053295, 226106590, 2012348651, 4024697302, 10061743255, 20123486510]

約数ペア:

[(1, 20123486510), (2, 10061743255), (5, 4024697302), (10, 2012348651), (89, 226106590), (178, 113053295), (317, 63481030), (445, 45221318), (634, 31740515), (890, 22610659), (1585, 12696206), (3170, 6348103), (28213, 713270), (56426, 356635), (71327, 282130), (141065, 142654)]