20921775170

素因数分解:

$2^1\times 5^1\times {\mathrm{8867}}^1\times {\mathrm{235951}}^1$

素因数の和:244825

約数の個数: 16

約数和(自身を含む): 37663602048

約数和(自身を除く): 16741826878

約数列:

[1, 2, 5, 10, 8867, 17734, 44335, 88670, 235951, 471902, 1179755, 2359510, 2092177517, 4184355034, 10460887585, 20921775170]

約数ペア:

[(1, 20921775170), (2, 10460887585), (5, 4184355034), (10, 2092177517), (8867, 2359510), (17734, 1179755), (44335, 471902), (88670, 235951)]