20007309

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1801}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 31888192

約数和(自身を除く): 11880883

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1801, 3703, 5403, 11109, 12607, 37821, 41423, 124269, 289961, 869883, 952729, 2858187, 6669103, 20007309]

約数ペア:

[(1, 20007309), (3, 6669103), (7, 2858187), (21, 952729), (23, 869883), (69, 289961), (161, 124269), (483, 41423), (529, 37821), (1587, 12607), (1801, 11109), (3703, 5403)]