20810001

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{461}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 28562688

約数和(自身を除く): 7752687

約数列:

[1, 3, 41, 123, 367, 461, 1101, 1383, 15047, 18901, 45141, 56703, 169187, 507561, 6936667, 20810001]

約数ペア:

[(1, 20810001), (3, 6936667), (41, 507561), (123, 169187), (367, 56703), (461, 45141), (1101, 18901), (1383, 15047)]