20514908

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14207}}^1$

素因数の和:14249

約数の個数: 18

約数和(自身を含む): 37892736

約数和(自身を除く): 17377828

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14207, 28414, 56828, 269933, 539866, 1079732, 5128727, 10257454, 20514908]

約数ペア:

[(1, 20514908), (2, 10257454), (4, 5128727), (19, 1079732), (38, 539866), (76, 269933), (361, 56828), (722, 28414), (1444, 14207)]