20243075

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{2243}}^1$

素因数の和:2291

約数の個数: 18

約数和(自身を含む): 26503884

約数和(自身を除く): 6260809

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 2243, 9025, 11215, 42617, 56075, 213085, 809723, 1065425, 4048615, 20243075]

約数ペア:

[(1, 20243075), (5, 4048615), (19, 1065425), (25, 809723), (95, 213085), (361, 56075), (475, 42617), (1805, 11215), (2243, 9025)]