20199985390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4157}}^1\times {\mathrm{37379}}^1$

素因数の和:41556

約数の個数: 32

約数和(自身を含む): 39167362080

約数和(自身を除く): 18967376690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4157, 8314, 20785, 37379, 41570, 54041, 74758, 108082, 186895, 270205, 373790, 485927, 540410, 971854, 2429635, 4859270, 155384503, 310769006, 776922515, 1553845030, 2019998539, 4039997078, 10099992695, 20199985390]

約数ペア:

[(1, 20199985390), (2, 10099992695), (5, 4039997078), (10, 2019998539), (13, 1553845030), (26, 776922515), (65, 310769006), (130, 155384503), (4157, 4859270), (8314, 2429635), (20785, 971854), (37379, 540410), (41570, 485927), (54041, 373790), (74758, 270205), (108082, 186895)]