20123009753

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1\times {\mathrm{7349}}^1$

素因数の和:8237

約数の個数: 32

約数和(自身を含む): 25706419200

約数和(自身を除く): 5583409447

約数列:

[1, 7, 11, 43, 77, 301, 473, 827, 3311, 5789, 7349, 9097, 35561, 51443, 63679, 80839, 248927, 316007, 391171, 565873, 2212049, 2738197, 3476077, 6077623, 24332539, 42543361, 66853853, 261337789, 467976971, 1829364523, 2874715679, 20123009753]

約数ペア:

[(1, 20123009753), (7, 2874715679), (11, 1829364523), (43, 467976971), (77, 261337789), (301, 66853853), (473, 42543361), (827, 24332539), (3311, 6077623), (5789, 3476077), (7349, 2738197), (9097, 2212049), (35561, 565873), (51443, 391171), (63679, 316007), (80839, 248927)]