20137150943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{21503}}^1$

素因数の和:21815

約数の個数: 32

約数和(自身を含む): 25491013632

約数和(自身を除く): 5353862689

約数列:

[1, 7, 13, 41, 91, 251, 287, 533, 1757, 3263, 3731, 10291, 21503, 22841, 72037, 133783, 150521, 279539, 881623, 936481, 1956773, 5397253, 6171361, 11461099, 37780771, 70164289, 80227693, 221287373, 491150023, 1549011611, 2876735849, 20137150943]

約数ペア:

[(1, 20137150943), (7, 2876735849), (13, 1549011611), (41, 491150023), (91, 221287373), (251, 80227693), (287, 70164289), (533, 37780771), (1757, 11461099), (3263, 6171361), (3731, 5397253), (10291, 1956773), (21503, 936481), (22841, 881623), (72037, 279539), (133783, 150521)]