13747420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4217}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 29053584

約数和(自身を除く): 15306164

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4217, 8434, 16868, 21085, 42170, 84340, 687371, 1374742, 2749484, 3436855, 6873710, 13747420]

約数ペア:

[(1, 13747420), (2, 6873710), (4, 3436855), (5, 2749484), (10, 1374742), (20, 687371), (163, 84340), (326, 42170), (652, 21085), (815, 16868), (1630, 8434), (3260, 4217)]