20123335105

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{2113}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 24803815680

約数和(自身を除く): 4680480575

約数列:

[1, 5, 71, 139, 193, 355, 695, 965, 2113, 9869, 10565, 13703, 26827, 49345, 68515, 134135, 150023, 293707, 407809, 750115, 1468535, 1904717, 2039045, 9523585, 20853197, 28954439, 56685451, 104265985, 144772195, 283427255, 4024667021, 20123335105]

約数ペア:

[(1, 20123335105), (5, 4024667021), (71, 283427255), (139, 144772195), (193, 104265985), (355, 56685451), (695, 28954439), (965, 20853197), (2113, 9523585), (9869, 2039045), (10565, 1904717), (13703, 1468535), (26827, 750115), (49345, 407809), (68515, 293707), (134135, 150023)]