20121388295

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{1949}}^1\times {\mathrm{24877}}^1$

素因数の和:26914

約数の個数: 16

約数和(自身を含む): 24450098400

約数和(自身を除く): 4328710105

約数列:

[1, 5, 83, 415, 1949, 9745, 24877, 124385, 161767, 808835, 2064791, 10323955, 48485273, 242426365, 4024277659, 20121388295]

約数ペア:

[(1, 20121388295), (5, 4024277659), (83, 242426365), (415, 48485273), (1949, 10323955), (9745, 2064791), (24877, 808835), (124385, 161767)]