20845994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5381}}^1$

素因数の和:5545

約数の個数: 16

約数和(自身を含む): 33906600

約数和(自身を除く): 13060606

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5381, 10762, 69953, 139906, 801769, 1603538, 10422997, 20845994]

約数ペア:

[(1, 20845994), (2, 10422997), (13, 1603538), (26, 801769), (149, 139906), (298, 69953), (1937, 10762), (3874, 5381)]