20376045

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19687}}^1$

素因数の和:19721

約数の個数: 24

約数和(自身を含む): 36855936

約数和(自身を除く): 16479891

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19687, 59061, 98435, 177183, 295305, 452801, 885915, 1358403, 2264005, 4075209, 6792015, 20376045]

約数ペア:

[(1, 20376045), (3, 6792015), (5, 4075209), (9, 2264005), (15, 1358403), (23, 885915), (45, 452801), (69, 295305), (115, 177183), (207, 98435), (345, 59061), (1035, 19687)]