20054810

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4019}}^1$

素因数の和:4525

約数の個数: 16

約数和(自身を含む): 36180000

約数和(自身を除く): 16125190

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4019, 4990, 8038, 20095, 40190, 2005481, 4010962, 10027405, 20054810]

約数ペア:

[(1, 20054810), (2, 10027405), (5, 4010962), (10, 2005481), (499, 40190), (998, 20095), (2495, 8038), (4019, 4990)]