20403721915

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{5527}}^1\times {\mathrm{10399}}^1$

素因数の和:16002

約数の個数: 16

約数和(自身を含む): 24836198400

約数和(自身を除く): 4432476485

約数列:

[1, 5, 71, 355, 5527, 10399, 27635, 51995, 392417, 738329, 1962085, 3691645, 57475273, 287376365, 4080744383, 20403721915]

約数ペア:

[(1, 20403721915), (5, 4080744383), (71, 287376365), (355, 57475273), (5527, 3691645), (10399, 1962085), (27635, 738329), (51995, 392417)]