20194223020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{31721}}^1$

素因数の和:32098

約数の個数: 48

約数和(自身を含む): 42900832800

約数和(自身を除く): 22706609780

約数列:

[1, 2, 4, 5, 10, 20, 139, 229, 278, 458, 556, 695, 916, 1145, 1390, 2290, 2780, 4580, 31721, 31831, 63442, 63662, 126884, 127324, 158605, 159155, 317210, 318310, 634420, 636620, 4409219, 7264109, 8818438, 14528218, 17636876, 22046095, 29056436, 36320545, 44092190, 72641090, 88184380, 145282180, 1009711151, 2019422302, 4038844604, 5048555755, 10097111510, 20194223020]

約数ペア:

[(1, 20194223020), (2, 10097111510), (4, 5048555755), (5, 4038844604), (10, 2019422302), (20, 1009711151), (139, 145282180), (229, 88184380), (278, 72641090), (458, 44092190), (556, 36320545), (695, 29056436), (916, 22046095), (1145, 17636876), (1390, 14528218), (2290, 8818438), (2780, 7264109), (4580, 4409219), (31721, 636620), (31831, 634420), (63442, 318310), (63662, 317210), (126884, 159155), (127324, 158605)]