20084589

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 15138963

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 83, 161, 167, 207, 249, 483, 501, 581, 747, 1169, 1449, 1503, 1743, 1909, 3507, 3841, 5229, 5727, 10521, 11523, 13363, 13861, 17181, 26887, 34569, 40089, 41583, 80661, 97027, 120267, 124749, 241983, 291081, 318803, 873243, 956409, 2231621, 2869227, 6694863, 20084589]

約数ペア:

[(1, 20084589), (3, 6694863), (7, 2869227), (9, 2231621), (21, 956409), (23, 873243), (63, 318803), (69, 291081), (83, 241983), (161, 124749), (167, 120267), (207, 97027), (249, 80661), (483, 41583), (501, 40089), (581, 34569), (747, 26887), (1169, 17181), (1449, 13861), (1503, 13363), (1743, 11523), (1909, 10521), (3507, 5727), (3841, 5229)]