20090902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 34038144

約数和(自身を除く): 13947242

約数列:

[1, 2, 13, 26, 41, 47, 82, 94, 401, 533, 611, 802, 1066, 1222, 1927, 3854, 5213, 10426, 16441, 18847, 25051, 32882, 37694, 50102, 213733, 245011, 427466, 490022, 772727, 1545454, 10045451, 20090902]

約数ペア:

[(1, 20090902), (2, 10045451), (13, 1545454), (26, 772727), (41, 490022), (47, 427466), (82, 245011), (94, 213733), (401, 50102), (533, 37694), (611, 32882), (802, 25051), (1066, 18847), (1222, 16441), (1927, 10426), (3854, 5213)]