20216928215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1254541}}^1$

素因数の和:1254850

約数の個数: 16

約数和(自身を含む): 26556145056

約数和(自身を除く): 6339216841

約数列:

[1, 5, 11, 55, 293, 1465, 3223, 16115, 1254541, 6272705, 13799951, 68999755, 367580513, 1837902565, 4043385643, 20216928215]

約数ペア:

[(1, 20216928215), (5, 4043385643), (11, 1837902565), (55, 367580513), (293, 68999755), (1465, 13799951), (3223, 6272705), (16115, 1254541)]