20377494

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1863

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 27425898

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1823, 1863, 3646, 3726, 5469, 5589, 10938, 11178, 16407, 32814, 41929, 49221, 83858, 98442, 125787, 147663, 251574, 295326, 377361, 442989, 754722, 885978, 1132083, 2264166, 3396249, 6792498, 10188747, 20377494]

約数ペア:

[(1, 20377494), (2, 10188747), (3, 6792498), (6, 3396249), (9, 2264166), (18, 1132083), (23, 885978), (27, 754722), (46, 442989), (54, 377361), (69, 295326), (81, 251574), (138, 147663), (162, 125787), (207, 98442), (243, 83858), (414, 49221), (486, 41929), (621, 32814), (1242, 16407), (1823, 11178), (1863, 10938), (3646, 5589), (3726, 5469)]