20138420877

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{7757}}^1\times {\mathrm{21107}}^1$

素因数の和:28908

約数の個数: 16

約数和(自身を含む): 27510985152

約数和(自身を除く): 7372564275

約数列:

[1, 3, 41, 123, 7757, 21107, 23271, 63321, 318037, 865387, 954111, 2596161, 163726999, 491180997, 6712806959, 20138420877]

約数ペア:

[(1, 20138420877), (3, 6712806959), (41, 491180997), (123, 163726999), (7757, 2596161), (21107, 954111), (23271, 865387), (63321, 318037)]