20569671

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 31337280

約数和(自身を除く): 10767609

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1487, 1537, 4461, 4611, 13383, 13833, 43123, 78811, 129369, 236433, 388107, 709299, 2285519, 6856557, 20569671]

約数ペア:

[(1, 20569671), (3, 6856557), (9, 2285519), (29, 709299), (53, 388107), (87, 236433), (159, 129369), (261, 78811), (477, 43123), (1487, 13833), (1537, 13383), (4461, 4611)]