20873128

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16007}}^1$

素因数の和:16176

約数の個数: 16

約数和(自身を含む): 39379680

約数和(自身を除く): 18506552

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16007, 32014, 64028, 128056, 2609141, 5218282, 10436564, 20873128]

約数ペア:

[(1, 20873128), (2, 10436564), (4, 5218282), (8, 2609141), (163, 128056), (326, 64028), (652, 32014), (1304, 16007)]