20565587560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73448527}}^1$

素因数の和:73448545

約数の個数: 32

約数和(自身を含む): 52882940160

約数和(自身を除く): 32317352600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73448527, 146897054, 293794108, 367242635, 514139689, 587588216, 734485270, 1028279378, 1468970540, 2056558756, 2570698445, 2937941080, 4113117512, 5141396890, 10282793780, 20565587560]

約数ペア:

[(1, 20565587560), (2, 10282793780), (4, 5141396890), (5, 4113117512), (7, 2937941080), (8, 2570698445), (10, 2056558756), (14, 1468970540), (20, 1028279378), (28, 734485270), (35, 587588216), (40, 514139689), (56, 367242635), (70, 293794108), (140, 146897054), (280, 73448527)]