20272015

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 25310880

約数和(自身を除く): 5038865

約数列:

[1, 5, 29, 145, 251, 557, 1255, 2785, 7279, 16153, 36395, 80765, 139807, 699035, 4054403, 20272015]

約数ペア:

[(1, 20272015), (5, 4054403), (29, 699035), (145, 139807), (251, 80765), (557, 36395), (1255, 16153), (2785, 7279)]