20778935

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3049}}^1$

素因数の和:3130

約数の個数: 16

約数和(自身を含む): 26352000

約数和(自身を除く): 5573065

約数列:

[1, 5, 29, 47, 145, 235, 1363, 3049, 6815, 15245, 88421, 143303, 442105, 716515, 4155787, 20778935]

約数ペア:

[(1, 20778935), (5, 4155787), (29, 716515), (47, 442105), (145, 143303), (235, 88421), (1363, 15245), (3049, 6815)]