20435913

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 30850560

約数和(自身を除く): 10414647

約数列:

[1, 3, 9, 31, 89, 93, 267, 279, 801, 823, 2469, 2759, 7407, 8277, 24831, 25513, 73247, 76539, 219741, 229617, 659223, 2270657, 6811971, 20435913]

約数ペア:

[(1, 20435913), (3, 6811971), (9, 2270657), (31, 659223), (89, 229617), (93, 219741), (267, 76539), (279, 73247), (801, 25513), (823, 24831), (2469, 8277), (2759, 7407)]