20479743

素因数分解:

$3^3\times {\mathrm{659}}^1\times {\mathrm{1151}}^1$

素因数の和:1819

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 9933057

約数列:

[1, 3, 9, 27, 659, 1151, 1977, 3453, 5931, 10359, 17793, 31077, 758509, 2275527, 6826581, 20479743]

約数ペア:

[(1, 20479743), (3, 6826581), (9, 2275527), (27, 758509), (659, 31077), (1151, 17793), (1977, 10359), (3453, 5931)]