20356989415

素因数分解:

$5^1\times 7^1\times {\mathrm{10243}}^1\times {\mathrm{56783}}^1$

素因数の和:67038

約数の個数: 16

約数和(自身を含む): 27921374208

約数和(自身を除く): 7564384793

約数列:

[1, 5, 7, 35, 10243, 51215, 56783, 71701, 283915, 358505, 397481, 1987405, 581628269, 2908141345, 4071397883, 20356989415]

約数ペア:

[(1, 20356989415), (5, 4071397883), (7, 2908141345), (35, 581628269), (10243, 1987405), (51215, 397481), (56783, 358505), (71701, 283915)]