2019747460

素因数分解:

$2^2\times 5^1\times {\mathrm{5021}}^1\times {\mathrm{20113}}^1$

素因数の和:25143

約数の個数: 24

約数和(自身を含む): 4242525336

約数和(自身を除く): 2222777876

約数列:

[1, 2, 4, 5, 10, 20, 5021, 10042, 20084, 20113, 25105, 40226, 50210, 80452, 100420, 100565, 201130, 402260, 100987373, 201974746, 403949492, 504936865, 1009873730, 2019747460]

約数ペア:

[(1, 2019747460), (2, 1009873730), (4, 504936865), (5, 403949492), (10, 201974746), (20, 100987373), (5021, 402260), (10042, 201130), (20084, 100565), (20113, 100420), (25105, 80452), (40226, 50210)]