215192420

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{10559}}^1$

素因数の和:11587

約数の個数: 24

約数和(自身を含む): 452390400

約数和(自身を除く): 237197980

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 10190, 10559, 20380, 21118, 42236, 52795, 105590, 211180, 10759621, 21519242, 43038484, 53798105, 107596210, 215192420]

約数ペア:

[(1, 215192420), (2, 107596210), (4, 53798105), (5, 43038484), (10, 21519242), (20, 10759621), (1019, 211180), (2038, 105590), (4076, 52795), (5095, 42236), (10190, 21118), (10559, 20380)]