20609386

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9749}}^1$

素因数の和:9909

約数の個数: 16

約数和(自身を含む): 35568000

約数和(自身を除く): 14958614

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9749, 19498, 68243, 136486, 1472099, 2944198, 10304693, 20609386]

約数ペア:

[(1, 20609386), (2, 10304693), (7, 2944198), (14, 1472099), (151, 136486), (302, 68243), (1057, 19498), (2114, 9749)]