203480020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{274973}}^1$

素因数の和:275019

約数の個数: 24

約数和(自身を含む): 438858504

約数和(自身を除く): 235378484

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 274973, 549946, 1099892, 1374865, 2749730, 5499460, 10174001, 20348002, 40696004, 50870005, 101740010, 203480020]

約数ペア:

[(1, 203480020), (2, 101740010), (4, 50870005), (5, 40696004), (10, 20348002), (20, 10174001), (37, 5499460), (74, 2749730), (148, 1374865), (185, 1099892), (370, 549946), (740, 274973)]