20753868

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24359}}^1$

素因数の和:24437

約数の個数: 24

約数和(自身を含む): 49109760

約数和(自身を除く): 28355892

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24359, 48718, 73077, 97436, 146154, 292308, 1729489, 3458978, 5188467, 6917956, 10376934, 20753868]

約数ペア:

[(1, 20753868), (2, 10376934), (3, 6917956), (4, 5188467), (6, 3458978), (12, 1729489), (71, 292308), (142, 146154), (213, 97436), (284, 73077), (426, 48718), (852, 24359)]