20219013759

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7561}}^1\times {\mathrm{4391}}^1$

素因数の和:11991

約数の個数: 32

約数和(自身を含む): 31883811840

約数和(自身を除く): 11664798081

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 4391, 7561, 13173, 22683, 30737, 52927, 92211, 127339, 158781, 219269, 382017, 657807, 891373, 1534883, 2674119, 4604649, 33200351, 99601053, 232402457, 697207371, 962810179, 2888430537, 6739671253, 20219013759]

約数ペア:

[(1, 20219013759), (3, 6739671253), (7, 2888430537), (21, 962810179), (29, 697207371), (87, 232402457), (203, 99601053), (609, 33200351), (4391, 4604649), (7561, 2674119), (13173, 1534883), (22683, 891373), (30737, 657807), (52927, 382017), (92211, 219269), (127339, 158781)]