20498215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{379}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 25581600

約数和(自身を除く): 5083385

約数列:

[1, 5, 29, 145, 373, 379, 1865, 1895, 10817, 10991, 54085, 54955, 141367, 706835, 4099643, 20498215]

約数ペア:

[(1, 20498215), (5, 4099643), (29, 706835), (145, 141367), (373, 54955), (379, 54085), (1865, 10991), (1895, 10817)]