20515536

素因数分解:

$2^4\times 3^2\times {\mathrm{142469}}^1$

素因数の和:142483

約数の個数: 30

約数和(自身を含む): 57415410

約数和(自身を除く): 36899874

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142469, 284938, 427407, 569876, 854814, 1139752, 1282221, 1709628, 2279504, 2564442, 3419256, 5128884, 6838512, 10257768, 20515536]

約数ペア:

[(1, 20515536), (2, 10257768), (3, 6838512), (4, 5128884), (6, 3419256), (8, 2564442), (9, 2279504), (12, 1709628), (16, 1282221), (18, 1139752), (24, 854814), (36, 569876), (48, 427407), (72, 284938), (144, 142469)]