20989545118

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1\times {\mathrm{161267}}^1$

素因数の和:162431

約数の個数: 16

約数和(自身を含む): 32047176960

約数和(自身を除く): 11057631842

約数列:

[1, 2, 59, 118, 1103, 2206, 65077, 130154, 161267, 322534, 9514753, 19029506, 177877501, 355755002, 10494772559, 20989545118]

約数ペア:

[(1, 20989545118), (2, 10494772559), (59, 355755002), (118, 177877501), (1103, 19029506), (2206, 9514753), (65077, 322534), (130154, 161267)]