20148835

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 9687965

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 739, 779, 1435, 3695, 3895, 5173, 5453, 14041, 25865, 27265, 30299, 70205, 98287, 151495, 212093, 491435, 575681, 1060465, 2878405, 4029767, 20148835]

約数ペア:

[(1, 20148835), (5, 4029767), (7, 2878405), (19, 1060465), (35, 575681), (41, 491435), (95, 212093), (133, 151495), (205, 98287), (287, 70205), (665, 30299), (739, 27265), (779, 25865), (1435, 14041), (3695, 5453), (3895, 5173)]