20811228542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1\times {\mathrm{16831}}^1$

素因数の和:19368

約数の個数: 32

約数和(自身を含む): 35403755520

約数和(自身を除く): 14592526978

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 2503, 5006, 16831, 32539, 33662, 47557, 65078, 95114, 218803, 319789, 437606, 618241, 639578, 1236482, 4157257, 8314514, 42127993, 84255986, 547663909, 800431867, 1095327818, 1600863734, 10405614271, 20811228542]

約数ペア:

[(1, 20811228542), (2, 10405614271), (13, 1600863734), (19, 1095327818), (26, 800431867), (38, 547663909), (247, 84255986), (494, 42127993), (2503, 8314514), (5006, 4157257), (16831, 1236482), (32539, 639578), (33662, 618241), (47557, 437606), (65078, 319789), (95114, 218803)]