20310983

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 26738688

約数和(自身を除く): 6427705

約数列:

[1, 7, 11, 31, 67, 77, 127, 217, 341, 469, 737, 889, 1397, 2077, 2387, 3937, 5159, 8509, 9779, 14539, 22847, 27559, 43307, 59563, 93599, 159929, 263779, 303149, 655193, 1846453, 2901569, 20310983]

約数ペア:

[(1, 20310983), (7, 2901569), (11, 1846453), (31, 655193), (67, 303149), (77, 263779), (127, 159929), (217, 93599), (341, 59563), (469, 43307), (737, 27559), (889, 22847), (1397, 14539), (2077, 9779), (2387, 8509), (3937, 5159)]