20745108

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9767}}^1$

素因数の和:9836

約数の個数: 36

約数和(自身を含む): 53333280

約数和(自身を除く): 32588172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9767, 19534, 29301, 39068, 58602, 87903, 117204, 175806, 351612, 576253, 1152506, 1728759, 2305012, 3457518, 5186277, 6915036, 10372554, 20745108]

約数ペア:

[(1, 20745108), (2, 10372554), (3, 6915036), (4, 5186277), (6, 3457518), (9, 2305012), (12, 1728759), (18, 1152506), (36, 576253), (59, 351612), (118, 175806), (177, 117204), (236, 87903), (354, 58602), (531, 39068), (708, 29301), (1062, 19534), (2124, 9767)]