1338492020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1808773}}^1$

素因数の和:1808819

約数の個数: 24

約数和(自身を含む): 2886803304

約数和(自身を除く): 1548311284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1808773, 3617546, 7235092, 9043865, 18087730, 36175460, 66924601, 133849202, 267698404, 334623005, 669246010, 1338492020]

約数ペア:

[(1, 1338492020), (2, 669246010), (4, 334623005), (5, 267698404), (10, 133849202), (20, 66924601), (37, 36175460), (74, 18087730), (148, 9043865), (185, 7235092), (370, 3617546), (740, 1808773)]