20127438

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 26182098

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 797, 1098, 1403, 1594, 2391, 2806, 4209, 4782, 7173, 8418, 12627, 14346, 18331, 25254, 36662, 48617, 54993, 97234, 109986, 145851, 164979, 291702, 329958, 437553, 875106, 1118191, 2236382, 3354573, 6709146, 10063719, 20127438]

約数ペア:

[(1, 20127438), (2, 10063719), (3, 6709146), (6, 3354573), (9, 2236382), (18, 1118191), (23, 875106), (46, 437553), (61, 329958), (69, 291702), (122, 164979), (138, 145851), (183, 109986), (207, 97234), (366, 54993), (414, 48617), (549, 36662), (797, 25254), (1098, 18331), (1403, 14346), (1594, 12627), (2391, 8418), (2806, 7173), (4209, 4782)]