20853870088

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19898731}}^1$

素因数の和:19898868

約数の個数: 16

約数和(自身を含む): 39399489360

約数和(自身を除く): 18545619272

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19898731, 39797462, 79594924, 159189848, 2606733761, 5213467522, 10426935044, 20853870088]

約数ペア:

[(1, 20853870088), (2, 10426935044), (4, 5213467522), (8, 2606733761), (131, 159189848), (262, 79594924), (524, 39797462), (1048, 19898731)]