20156293885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2939}}^1\times {\mathrm{15073}}^1$

素因数の和:18037

約数の個数: 32

約数和(自身を含む): 29781400320

約数和(自身を除く): 9625106435

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2939, 14695, 15073, 20573, 38207, 75365, 102865, 105511, 191035, 195949, 267449, 527555, 979745, 1337245, 1371643, 6858215, 44299547, 221497735, 310096829, 575894111, 1550484145, 2879470555, 4031258777, 20156293885]

約数ペア:

[(1, 20156293885), (5, 4031258777), (7, 2879470555), (13, 1550484145), (35, 575894111), (65, 310096829), (91, 221497735), (455, 44299547), (2939, 6858215), (14695, 1371643), (15073, 1337245), (20573, 979745), (38207, 527555), (75365, 267449), (102865, 195949), (105511, 191035)]