20715015

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29383}}^1$

素因数の和:29438

約数の個数: 16

約数和(自身を含む): 33850368

約数和(自身を除く): 13135353

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29383, 88149, 146915, 440745, 1381001, 4143003, 6905005, 20715015]

約数ペア:

[(1, 20715015), (3, 6905005), (5, 4143003), (15, 1381001), (47, 440745), (141, 146915), (235, 88149), (705, 29383)]