20512172356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5555843}}^1$

素因数の和:5555931

約数の個数: 24

約数和(自身を含む): 39202035264

約数和(自身を除く): 18689862908

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5555843, 11111686, 22223372, 72225959, 144451918, 288903836, 394464853, 788929706, 1577859412, 5128043089, 10256086178, 20512172356]

約数ペア:

[(1, 20512172356), (2, 10256086178), (4, 5128043089), (13, 1577859412), (26, 788929706), (52, 394464853), (71, 288903836), (142, 144451918), (284, 72225959), (923, 22223372), (1846, 11111686), (3692, 5555843)]