20950244

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1308

約数の個数: 36

約数和(自身を含む): 43163820

約数和(自身を除く): 22213576

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1201, 1246, 2402, 2492, 4361, 4804, 8407, 8722, 16814, 17444, 33628, 58849, 106889, 117698, 213778, 235396, 427556, 748223, 1496446, 2992892, 5237561, 10475122, 20950244]

約数ペア:

[(1, 20950244), (2, 10475122), (4, 5237561), (7, 2992892), (14, 1496446), (28, 748223), (49, 427556), (89, 235396), (98, 213778), (178, 117698), (196, 106889), (356, 58849), (623, 33628), (1201, 17444), (1246, 16814), (2402, 8722), (2492, 8407), (4361, 4804)]