20674660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1327}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 46851840

約数和(自身を除く): 26177180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1327, 1558, 2654, 3116, 3895, 5308, 6635, 7790, 13270, 15580, 25213, 26540, 50426, 54407, 100852, 108814, 126065, 217628, 252130, 272035, 504260, 544070, 1033733, 1088140, 2067466, 4134932, 5168665, 10337330, 20674660]

約数ペア:

[(1, 20674660), (2, 10337330), (4, 5168665), (5, 4134932), (10, 2067466), (19, 1088140), (20, 1033733), (38, 544070), (41, 504260), (76, 272035), (82, 252130), (95, 217628), (164, 126065), (190, 108814), (205, 100852), (380, 54407), (410, 50426), (779, 26540), (820, 25213), (1327, 15580), (1558, 13270), (2654, 7790), (3116, 6635), (3895, 5308)]