20534703

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10987}}^1$

素因数の和:11086

約数の個数: 16

約数和(自身を含む): 31645440

約数和(自身を除く): 11110737

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10987, 32961, 76909, 230727, 977843, 2933529, 6844901, 20534703]

約数ペア:

[(1, 20534703), (3, 6844901), (7, 2933529), (21, 977843), (89, 230727), (267, 76909), (623, 32961), (1869, 10987)]