20019476

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{9461}}^1$

素因数の和:9511

約数の個数: 18

約数和(自身を含む): 36627402

約数和(自身を除く): 16607926

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 9461, 18922, 37844, 217603, 435206, 870412, 5004869, 10009738, 20019476]

約数ペア:

[(1, 20019476), (2, 10009738), (4, 5004869), (23, 870412), (46, 435206), (92, 217603), (529, 37844), (1058, 18922), (2116, 9461)]