20621646

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67391}}^1$

素因数の和:67416

約数の個数: 24

約数和(自身を含む): 47309184

約数和(自身を除く): 26687538

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67391, 134782, 202173, 404346, 606519, 1145647, 1213038, 2291294, 3436941, 6873882, 10310823, 20621646]

約数ペア:

[(1, 20621646), (2, 10310823), (3, 6873882), (6, 3436941), (9, 2291294), (17, 1213038), (18, 1145647), (34, 606519), (51, 404346), (102, 202173), (153, 134782), (306, 67391)]