20903987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 23697408

約数和(自身を除く): 2793421

約数列:

[1, 13, 23, 151, 299, 463, 1963, 3473, 6019, 10649, 45149, 69913, 138437, 908869, 1607999, 20903987]

約数ペア:

[(1, 20903987), (13, 1607999), (23, 908869), (151, 138437), (299, 69913), (463, 45149), (1963, 10649), (3473, 6019)]