20845935

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 41154048

約数和(自身を除く): 20308113

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 1831, 2277, 3795, 5493, 9155, 11385, 16479, 20141, 27465, 42113, 60423, 82395, 100705, 126339, 181269, 210565, 302115, 379017, 463243, 631695, 906345, 1389729, 1895085, 2316215, 4169187, 6948645, 20845935]

約数ペア:

[(1, 20845935), (3, 6948645), (5, 4169187), (9, 2316215), (11, 1895085), (15, 1389729), (23, 906345), (33, 631695), (45, 463243), (55, 379017), (69, 302115), (99, 210565), (115, 181269), (165, 126339), (207, 100705), (253, 82395), (345, 60423), (495, 42113), (759, 27465), (1035, 20141), (1265, 16479), (1831, 11385), (2277, 9155), (3795, 5493)]