20199789774

素因数分解:

$2^1\times 3^3\times {\mathrm{107}}^1\times {\mathrm{3495983}}^1$

素因数の和:3496101

約数の個数: 32

約数和(自身を含む): 45307952640

約数和(自身を除く): 25108162866

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 107, 214, 321, 642, 963, 1926, 2889, 5778, 3495983, 6991966, 10487949, 20975898, 31463847, 62927694, 94391541, 188783082, 374070181, 748140362, 1122210543, 2244421086, 3366631629, 6733263258, 10099894887, 20199789774]

約数ペア:

[(1, 20199789774), (2, 10099894887), (3, 6733263258), (6, 3366631629), (9, 2244421086), (18, 1122210543), (27, 748140362), (54, 374070181), (107, 188783082), (214, 94391541), (321, 62927694), (642, 31463847), (963, 20975898), (1926, 10487949), (2889, 6991966), (5778, 3495983)]