20573709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{937}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 29625792

約数和(自身を除く): 9052083

約数列:

[1, 3, 13, 39, 563, 937, 1689, 2811, 7319, 12181, 21957, 36543, 527531, 1582593, 6857903, 20573709]

約数ペア:

[(1, 20573709), (3, 6857903), (13, 1582593), (39, 527531), (563, 36543), (937, 21957), (1689, 12181), (2811, 7319)]