20337668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{929}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 38461080

約数和(自身を除く): 18123412

約数列:

[1, 2, 4, 13, 26, 52, 421, 842, 929, 1684, 1858, 3716, 5473, 10946, 12077, 21892, 24154, 48308, 391109, 782218, 1564436, 5084417, 10168834, 20337668]

約数ペア:

[(1, 20337668), (2, 10168834), (4, 5084417), (13, 1564436), (26, 782218), (52, 391109), (421, 48308), (842, 24154), (929, 21892), (1684, 12077), (1858, 10946), (3716, 5473)]