20176564947

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6481}}^1\times {\mathrm{13477}}^1$

素因数の和:19979

約数の個数: 32

約数和(自身を含む): 33547928064

約数和(自身を除く): 13371363117

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 6481, 13477, 19443, 40431, 45367, 71291, 94339, 136101, 148247, 213873, 283017, 444741, 499037, 1037729, 1497111, 3113187, 87344437, 262033311, 611411059, 960788807, 1834233177, 2882366421, 6725521649, 20176564947]

約数ペア:

[(1, 20176564947), (3, 6725521649), (7, 2882366421), (11, 1834233177), (21, 960788807), (33, 611411059), (77, 262033311), (231, 87344437), (6481, 3113187), (13477, 1497111), (19443, 1037729), (40431, 499037), (45367, 444741), (71291, 283017), (94339, 213873), (136101, 148247)]