208142020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281273}}^1$

素因数の和:281319

約数の個数: 24

約数和(自身を含む): 448913304

約数和(自身を除く): 240771284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 281273, 562546, 1125092, 1406365, 2812730, 5625460, 10407101, 20814202, 41628404, 52035505, 104071010, 208142020]

約数ペア:

[(1, 208142020), (2, 104071010), (4, 52035505), (5, 41628404), (10, 20814202), (20, 10407101), (37, 5625460), (74, 2812730), (148, 1406365), (185, 1125092), (370, 562546), (740, 281273)]