20187797481

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12672817}}^1$

素因数の和:12672885

約数の個数: 16

約数和(自身を含む): 30414763200

約数和(自身を除く): 10226965719

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12672817, 38018451, 114055353, 342166059, 747696203, 2243088609, 6729265827, 20187797481]

約数ペア:

[(1, 20187797481), (3, 6729265827), (9, 2243088609), (27, 747696203), (59, 342166059), (177, 114055353), (531, 38018451), (1593, 12672817)]