20867894

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:955

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 11065546

約数列:

[1, 2, 71, 142, 223, 446, 659, 1318, 15833, 31666, 46789, 93578, 146957, 293914, 10433947, 20867894]

約数ペア:

[(1, 20867894), (2, 10433947), (71, 293914), (142, 146957), (223, 93578), (446, 46789), (659, 31666), (1318, 15833)]