20165178418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6911}}^1\times {\mathrm{18947}}^1$

素因数の和:25878

約数の個数: 32

約数和(自身を含む): 37718949888

約数和(自身を除く): 17553771470

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 6911, 13822, 18947, 37894, 48377, 76021, 96754, 132629, 152042, 208417, 265258, 416834, 532147, 1064294, 1458919, 2917838, 130942717, 261885434, 916599019, 1440369887, 1833198038, 2880739774, 10082589209, 20165178418]

約数ペア:

[(1, 20165178418), (2, 10082589209), (7, 2880739774), (11, 1833198038), (14, 1440369887), (22, 916599019), (77, 261885434), (154, 130942717), (6911, 2917838), (13822, 1458919), (18947, 1064294), (37894, 532147), (48377, 416834), (76021, 265258), (96754, 208417), (132629, 152042)]