20922135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5647}}^1$

素因数の和:5687

約数の個数: 32

約数和(自身を含む): 37954560

約数和(自身を除く): 17032425

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5647, 16941, 28235, 73411, 84705, 107293, 220233, 321879, 367055, 536465, 1101165, 1394809, 1609395, 4184427, 6974045, 20922135]

約数ペア:

[(1, 20922135), (3, 6974045), (5, 4184427), (13, 1609395), (15, 1394809), (19, 1101165), (39, 536465), (57, 367055), (65, 321879), (95, 220233), (195, 107293), (247, 84705), (285, 73411), (741, 28235), (1235, 16941), (3705, 5647)]