20508847

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 22878720

約数和(自身を除く): 2369873

約数列:

[1, 19, 23, 71, 437, 661, 1349, 1633, 12559, 15203, 31027, 46931, 288857, 891689, 1079413, 20508847]

約数ペア:

[(1, 20508847), (19, 1079413), (23, 891689), (71, 288857), (437, 46931), (661, 31027), (1349, 15203), (1633, 12559)]