20211484820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12792079}}^1$

素因数の和:12792167

約数の個数: 24

約数和(自身を含む): 42981388800

約数和(自身を除く): 22769903980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12792079, 25584158, 51168316, 63960395, 127920790, 255841580, 1010574241, 2021148482, 4042296964, 5052871205, 10105742410, 20211484820]

約数ペア:

[(1, 20211484820), (2, 10105742410), (4, 5052871205), (5, 4042296964), (10, 2021148482), (20, 1010574241), (79, 255841580), (158, 127920790), (316, 63960395), (395, 51168316), (790, 25584158), (1580, 12792079)]