20389366932460

素因数分解:

$2^2\times 5^1\times {\mathrm{21191}}^1\times {\mathrm{48108553}}^1$

素因数の和:48129753

約数の個数: 24

約数和(自身を含む): 42819692007456

約数和(自身を除く): 22430325074996

約数列:

[1, 2, 4, 5, 10, 20, 21191, 42382, 84764, 105955, 211910, 423820, 48108553, 96217106, 192434212, 240542765, 481085530, 962171060, 1019468346623, 2038936693246, 4077873386492, 5097341733115, 10194683466230, 20389366932460]

約数ペア:

[(1, 20389366932460), (2, 10194683466230), (4, 5097341733115), (5, 4077873386492), (10, 2038936693246), (20, 1019468346623), (21191, 962171060), (42382, 481085530), (84764, 240542765), (105955, 192434212), (211910, 96217106), (423820, 48108553)]