20207506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 14520110

約数列:

[1, 2, 11, 22, 41, 43, 82, 86, 451, 473, 521, 902, 946, 1042, 1763, 3526, 5731, 11462, 19393, 21361, 22403, 38786, 42722, 44806, 234971, 246433, 469942, 492866, 918523, 1837046, 10103753, 20207506]

約数ペア:

[(1, 20207506), (2, 10103753), (11, 1837046), (22, 918523), (41, 492866), (43, 469942), (82, 246433), (86, 234971), (451, 44806), (473, 42722), (521, 38786), (902, 22403), (946, 21361), (1042, 19393), (1763, 11462), (3526, 5731)]