20831738135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1\times {\mathrm{6229}}^1$

素因数の和:8507

約数の個数: 32

約数和(自身を含む): 28108563840

約数和(自身を除く): 7276825705

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 2237, 6229, 11185, 29081, 31145, 51451, 80977, 143267, 145405, 257255, 404885, 668863, 716335, 1862471, 3344315, 9312355, 13934273, 69671365, 181145549, 320488279, 905727745, 1602441395, 4166347627, 20831738135]

約数ペア:

[(1, 20831738135), (5, 4166347627), (13, 1602441395), (23, 905727745), (65, 320488279), (115, 181145549), (299, 69671365), (1495, 13934273), (2237, 9312355), (6229, 3344315), (11185, 1862471), (29081, 716335), (31145, 668863), (51451, 404885), (80977, 257255), (143267, 145405)]