20405979243

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{58136693}}^1$

素因数の和:58136715

約数の個数: 16

約数和(自身を含む): 32556548640

約数和(自身を除く): 12150569397

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 58136693, 174410079, 523230237, 755777009, 1569690711, 2267331027, 6801993081, 20405979243]

約数ペア:

[(1, 20405979243), (3, 6801993081), (9, 2267331027), (13, 1569690711), (27, 755777009), (39, 523230237), (117, 174410079), (351, 58136693)]