19880752

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73091}}^1$

素因数の和:73116

約数の個数: 20

約数和(自身を含む): 40785336

約数和(自身を除く): 20904584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73091, 146182, 292364, 584728, 1169456, 1242547, 2485094, 4970188, 9940376, 19880752]

約数ペア:

[(1, 19880752), (2, 9940376), (4, 4970188), (8, 2485094), (16, 1242547), (17, 1169456), (34, 584728), (68, 292364), (136, 146182), (272, 73091)]