20805216477

素因数分解:

$3^1\times {\mathrm{521}}^1\times {\mathrm{1471}}^1\times {\mathrm{9049}}^1$

素因数の和:11044

約数の個数: 16

約数和(自身を含む): 27815500800

約数和(自身を除く): 7010284323

約数列:

[1, 3, 521, 1471, 1563, 4413, 9049, 27147, 766391, 2299173, 4714529, 13311079, 14143587, 39933237, 6935072159, 20805216477]

約数ペア:

[(1, 20805216477), (3, 6935072159), (521, 39933237), (1471, 14143587), (1563, 13311079), (4413, 4714529), (9049, 2299173), (27147, 766391)]