20385075

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5783}}^1$

素因数の和:5843

約数の個数: 24

約数和(自身を含む): 34426368

約数和(自身を除く): 14041293

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5783, 17349, 28915, 86745, 144575, 271801, 433725, 815403, 1359005, 4077015, 6795025, 20385075]

約数ペア:

[(1, 20385075), (3, 6795025), (5, 4077015), (15, 1359005), (25, 815403), (47, 433725), (75, 271801), (141, 144575), (235, 86745), (705, 28915), (1175, 17349), (3525, 5783)]