20407668988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{52727}}^1$

素因数の和:53362

約数の個数: 48

約数和(自身を含む): 42661592064

約数和(自身を除く): 22253923076

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 601, 644, 1202, 2404, 4207, 8414, 13823, 16828, 27646, 52727, 55292, 96761, 105454, 193522, 210908, 369089, 387044, 738178, 1212721, 1476356, 2425442, 4850884, 8489047, 16978094, 31688927, 33956188, 63377854, 126755708, 221822489, 443644978, 728845321, 887289956, 1457690642, 2915381284, 5101917247, 10203834494, 20407668988]

約数ペア:

[(1, 20407668988), (2, 10203834494), (4, 5101917247), (7, 2915381284), (14, 1457690642), (23, 887289956), (28, 728845321), (46, 443644978), (92, 221822489), (161, 126755708), (322, 63377854), (601, 33956188), (644, 31688927), (1202, 16978094), (2404, 8489047), (4207, 4850884), (8414, 2425442), (13823, 1476356), (16828, 1212721), (27646, 738178), (52727, 387044), (55292, 369089), (96761, 210908), (105454, 193522)]