20156819024

素因数分解:

$2^4\times {\mathrm{2671}}^1\times {\mathrm{471659}}^1$

素因数の和:474338

約数の個数: 20

約数和(自身を含む): 39068541120

約数和(自身を除く): 18911722096

約数列:

[1, 2, 4, 8, 16, 2671, 5342, 10684, 21368, 42736, 471659, 943318, 1886636, 3773272, 7546544, 1259801189, 2519602378, 5039204756, 10078409512, 20156819024]

約数ペア:

[(1, 20156819024), (2, 10078409512), (4, 5039204756), (8, 2519602378), (16, 1259801189), (2671, 7546544), (5342, 3773272), (10684, 1886636), (21368, 943318), (42736, 471659)]