20616470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5557}}^1$

素因数の和:5624

約数の個数: 32

約数和(自身を含む): 43219008

約数和(自身を除く): 22602538

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5557, 11114, 27785, 38899, 55570, 77798, 194495, 294521, 388990, 589042, 1472605, 2061647, 2945210, 4123294, 10308235, 20616470]

約数ペア:

[(1, 20616470), (2, 10308235), (5, 4123294), (7, 2945210), (10, 2061647), (14, 1472605), (35, 589042), (53, 388990), (70, 294521), (106, 194495), (265, 77798), (371, 55570), (530, 38899), (742, 27785), (1855, 11114), (3710, 5557)]