20123568

素因数分解:

$2^4\times 3^2\times {\mathrm{139747}}^1$

素因数の和:139761

約数の個数: 30

約数和(自身を含む): 56318444

約数和(自身を除く): 36194876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 139747, 279494, 419241, 558988, 838482, 1117976, 1257723, 1676964, 2235952, 2515446, 3353928, 5030892, 6707856, 10061784, 20123568]

約数ペア:

[(1, 20123568), (2, 10061784), (3, 6707856), (4, 5030892), (6, 3353928), (8, 2515446), (9, 2235952), (12, 1676964), (16, 1257723), (18, 1117976), (24, 838482), (36, 558988), (48, 419241), (72, 279494), (144, 139747)]