20223848729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1\times {\mathrm{941}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 24484162560

約数和(自身を除く): 4260313831

約数列:

[1, 7, 19, 133, 283, 571, 941, 1981, 3997, 5377, 6587, 10849, 17879, 37639, 75943, 125153, 161593, 266303, 537311, 1131151, 1864121, 3070267, 3761177, 5059757, 10208909, 21491869, 35418299, 71462363, 152059013, 1064413091, 2889121247, 20223848729]

約数ペア:

[(1, 20223848729), (7, 2889121247), (19, 1064413091), (133, 152059013), (283, 71462363), (571, 35418299), (941, 21491869), (1981, 10208909), (3997, 5059757), (5377, 3761177), (6587, 3070267), (10849, 1864121), (17879, 1131151), (37639, 537311), (75943, 266303), (125153, 161593)]