20184904

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{4957}}^1$

素因数の和:5472

約数の個数: 16

約数和(自身を含む): 37928700

約数和(自身を除く): 17743796

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 4957, 9914, 19828, 39656, 2523113, 5046226, 10092452, 20184904]

約数ペア:

[(1, 20184904), (2, 10092452), (4, 5046226), (8, 2523113), (509, 39656), (1018, 19828), (2036, 9914), (4072, 4957)]