20919874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14879}}^1$

素因数の和:14937

約数の個数: 16

約数和(自身を含む): 33926400

約数和(自身を除く): 13006526

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14879, 29758, 282701, 550523, 565402, 1101046, 10459937, 20919874]

約数ペア:

[(1, 20919874), (2, 10459937), (19, 1101046), (37, 565402), (38, 550523), (74, 282701), (703, 29758), (1406, 14879)]