20278315784

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4550789}}^1$

素因数の和:4551352

約数の個数: 16

約数和(自身を含む): 38090112300

約数和(自身を除く): 17811796516

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4550789, 9101578, 18203156, 36406312, 2534789473, 5069578946, 10139157892, 20278315784]

約数ペア:

[(1, 20278315784), (2, 10139157892), (4, 5069578946), (8, 2534789473), (557, 36406312), (1114, 18203156), (2228, 9101578), (4456, 4550789)]