20713610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2659}}^1$

素因数の和:2726

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19505590

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2659, 3895, 5318, 7790, 13295, 26590, 50521, 101042, 109019, 218038, 252605, 505210, 545095, 1090190, 2071361, 4142722, 10356805, 20713610]

約数ペア:

[(1, 20713610), (2, 10356805), (5, 4142722), (10, 2071361), (19, 1090190), (38, 545095), (41, 505210), (82, 252605), (95, 218038), (190, 109019), (205, 101042), (410, 50521), (779, 26590), (1558, 13295), (2659, 7790), (3895, 5318)]