20973412

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{78259}}^1$

素因数の和:78330

約数の個数: 12

約数和(自身を含む): 37251760

約数和(自身を除く): 16278348

約数列:

[1, 2, 4, 67, 134, 268, 78259, 156518, 313036, 5243353, 10486706, 20973412]

約数ペア:

[(1, 20973412), (2, 10486706), (4, 5243353), (67, 313036), (134, 156518), (268, 78259)]