20876635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{631}}^1$

素因数の和:1158

約数の個数: 16

約数和(自身を含む): 27074880

約数和(自身を除く): 6198245

約数列:

[1, 5, 13, 65, 509, 631, 2545, 3155, 6617, 8203, 33085, 41015, 321179, 1605895, 4175327, 20876635]

約数ペア:

[(1, 20876635), (5, 4175327), (13, 1605895), (65, 321179), (509, 41015), (631, 33085), (2545, 8203), (3155, 6617)]