20503935

素因数分解:

$3^4\times 5^1\times {\mathrm{50627}}^1$

素因数の和:50644

約数の個数: 20

約数和(自身を含む): 36755928

約数和(自身を除く): 16251993

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50627, 151881, 253135, 455643, 759405, 1366929, 2278215, 4100787, 6834645, 20503935]

約数ペア:

[(1, 20503935), (3, 6834645), (5, 4100787), (9, 2278215), (15, 1366929), (27, 759405), (45, 455643), (81, 253135), (135, 151881), (405, 50627)]