20627999715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47420689}}^1$

素因数の和:47420726

約数の個数: 16

約数和(自身を含む): 34142896800

約数和(自身を除く): 13514897085

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 47420689, 142262067, 237103445, 711310335, 1375199981, 4125599943, 6875999905, 20627999715]

約数ペア:

[(1, 20627999715), (3, 6875999905), (5, 4125599943), (15, 1375199981), (29, 711310335), (87, 237103445), (145, 142262067), (435, 47420689)]