20664104

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{859}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 40454400

約数和(自身を除く): 19790296

約数列:

[1, 2, 4, 8, 31, 62, 97, 124, 194, 248, 388, 776, 859, 1718, 3007, 3436, 6014, 6872, 12028, 24056, 26629, 53258, 83323, 106516, 166646, 213032, 333292, 666584, 2583013, 5166026, 10332052, 20664104]

約数ペア:

[(1, 20664104), (2, 10332052), (4, 5166026), (8, 2583013), (31, 666584), (62, 333292), (97, 213032), (124, 166646), (194, 106516), (248, 83323), (388, 53258), (776, 26629), (859, 24056), (1718, 12028), (3007, 6872), (3436, 6014)]