20509716161

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1\times {\mathrm{829}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 23299228800

約数和(自身を除く): 2789512639

約数列:

[1, 11, 37, 89, 407, 683, 829, 979, 3293, 7513, 9119, 25271, 30673, 36223, 60787, 73781, 277981, 337403, 566207, 668657, 811591, 2249119, 2729897, 6228277, 20949659, 24740309, 30028867, 50392423, 230446249, 554316653, 1864519651, 20509716161]

約数ペア:

[(1, 20509716161), (11, 1864519651), (37, 554316653), (89, 230446249), (407, 50392423), (683, 30028867), (829, 24740309), (979, 20949659), (3293, 6228277), (7513, 2729897), (9119, 2249119), (25271, 811591), (30673, 668657), (36223, 566207), (60787, 337403), (73781, 277981)]