20858707961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{10177}}^1$

素因数の和:10521

約数の個数: 32

約数和(自身を含む): 26045257728

約数和(自身を除く): 5186549767

約数列:

[1, 7, 13, 91, 101, 223, 707, 1313, 1561, 2899, 9191, 10177, 20293, 22523, 71239, 132301, 157661, 292799, 926107, 1027877, 2049593, 2269471, 7195139, 13362401, 15886297, 29503123, 93536807, 206521861, 229216571, 1604515997, 2979815423, 20858707961]

約数ペア:

[(1, 20858707961), (7, 2979815423), (13, 1604515997), (91, 229216571), (101, 206521861), (223, 93536807), (707, 29503123), (1313, 15886297), (1561, 13362401), (2899, 7195139), (9191, 2269471), (10177, 2049593), (20293, 1027877), (22523, 926107), (71239, 292799), (132301, 157661)]