20730488891

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{281431}}^1$

素因数の和:282074

約数の個数: 16

約数和(自身を含む): 25126248960

約数和(自身を除く): 4395760069

約数列:

[1, 7, 17, 119, 619, 4333, 10523, 73661, 281431, 1970017, 4784327, 33490289, 174205789, 1219440523, 2961498413, 20730488891]

約数ペア:

[(1, 20730488891), (7, 2961498413), (17, 1219440523), (119, 174205789), (619, 33490289), (4333, 4784327), (10523, 1970017), (73661, 281431)]