20653170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{971}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 49688640

約数和(自身を除く): 29035470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709, 971, 1418, 1942, 2127, 2913, 3545, 4254, 4855, 5826, 7090, 9710, 10635, 14565, 21270, 29130, 688439, 1376878, 2065317, 3442195, 4130634, 6884390, 10326585, 20653170]

約数ペア:

[(1, 20653170), (2, 10326585), (3, 6884390), (5, 4130634), (6, 3442195), (10, 2065317), (15, 1376878), (30, 688439), (709, 29130), (971, 21270), (1418, 14565), (1942, 10635), (2127, 9710), (2913, 7090), (3545, 5826), (4254, 4855)]