20295980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27427}}^1$

素因数の和:27473

約数の個数: 24

約数和(自身を含む): 43775088

約数和(自身を除く): 23479108

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27427, 54854, 109708, 137135, 274270, 548540, 1014799, 2029598, 4059196, 5073995, 10147990, 20295980]

約数ペア:

[(1, 20295980), (2, 10147990), (4, 5073995), (5, 4059196), (10, 2029598), (20, 1014799), (37, 548540), (74, 274270), (148, 137135), (185, 109708), (370, 54854), (740, 27427)]