20866635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20161}}^1$

素因数の和:20195

約数の個数: 24

約数和(自身を含む): 37743264

約数和(自身を除く): 16876629

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20161, 60483, 100805, 181449, 302415, 463703, 907245, 1391109, 2318515, 4173327, 6955545, 20866635]

約数ペア:

[(1, 20866635), (3, 6955545), (5, 4173327), (9, 2318515), (15, 1391109), (23, 907245), (45, 463703), (69, 302415), (115, 181449), (207, 100805), (345, 60483), (1035, 20161)]