20989868942

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1\times {\mathrm{50513}}^1$

素因数の和:51032

約数の個数: 32

約数和(自身を含む): 36602848512

約数和(自身を除く): 15612979570

約数列:

[1, 2, 7, 14, 67, 134, 443, 469, 886, 938, 3101, 6202, 29681, 50513, 59362, 101026, 207767, 353591, 415534, 707182, 3384371, 6768742, 22377259, 23690597, 44754518, 47381194, 156640813, 313281626, 1499276353, 2998552706, 10494934471, 20989868942]

約数ペア:

[(1, 20989868942), (2, 10494934471), (7, 2998552706), (14, 1499276353), (67, 313281626), (134, 156640813), (443, 47381194), (469, 44754518), (886, 23690597), (938, 22377259), (3101, 6768742), (6202, 3384371), (29681, 707182), (50513, 415534), (59362, 353591), (101026, 207767)]