20879505

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{733}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 37345920

約数和(自身を除く): 16466415

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 733, 1055, 1899, 2199, 3165, 3665, 5697, 6597, 9495, 10995, 19791, 28485, 32985, 98955, 154663, 463989, 773315, 1391967, 2319945, 4175901, 6959835, 20879505]

約数ペア:

[(1, 20879505), (3, 6959835), (5, 4175901), (9, 2319945), (15, 1391967), (27, 773315), (45, 463989), (135, 154663), (211, 98955), (633, 32985), (733, 28485), (1055, 19791), (1899, 10995), (2199, 9495), (3165, 6597), (3665, 5697)]