20290713910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69967979}}^1$

素因数の和:69968015

約数の個数: 16

約数和(自身を含む): 37782709200

約数和(自身を除く): 17491995290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69967979, 139935958, 349839895, 699679790, 2029071391, 4058142782, 10145356955, 20290713910]

約数ペア:

[(1, 20290713910), (2, 10145356955), (5, 4058142782), (10, 2029071391), (29, 699679790), (58, 349839895), (145, 139935958), (290, 69967979)]