20153694

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 46033920

約数和(自身を除く): 25880226

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 73, 89, 94, 141, 146, 178, 219, 267, 282, 438, 517, 534, 803, 979, 1034, 1551, 1606, 1958, 2409, 2937, 3102, 3431, 4183, 4818, 5874, 6497, 6862, 8366, 10293, 12549, 12994, 19491, 20586, 25098, 37741, 38982, 46013, 71467, 75482, 92026, 113223, 138039, 142934, 214401, 226446, 276078, 305359, 428802, 610718, 916077, 1832154, 3358949, 6717898, 10076847, 20153694]

約数ペア:

[(1, 20153694), (2, 10076847), (3, 6717898), (6, 3358949), (11, 1832154), (22, 916077), (33, 610718), (47, 428802), (66, 305359), (73, 276078), (89, 226446), (94, 214401), (141, 142934), (146, 138039), (178, 113223), (219, 92026), (267, 75482), (282, 71467), (438, 46013), (517, 38982), (534, 37741), (803, 25098), (979, 20586), (1034, 19491), (1551, 12994), (1606, 12549), (1958, 10293), (2409, 8366), (2937, 6862), (3102, 6497), (3431, 5874), (4183, 4818)]