20456661

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2132

約数の個数: 16

約数和(自身を含む): 29032128

約数和(自身を除く): 8575467

約数列:

[1, 3, 17, 51, 211, 633, 1901, 3587, 5703, 10761, 32317, 96951, 401111, 1203333, 6818887, 20456661]

約数ペア:

[(1, 20456661), (3, 6818887), (17, 1203333), (51, 401111), (211, 96951), (633, 32317), (1901, 10761), (3587, 5703)]