20194045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6421}}^1$

素因数の和:6480

約数の個数: 16

約数和(自身を含む): 26355888

約数和(自身を除く): 6161843

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6421, 32105, 109157, 237577, 545785, 1187885, 4038809, 20194045]

約数ペア:

[(1, 20194045), (5, 4038809), (17, 1187885), (37, 545785), (85, 237577), (185, 109157), (629, 32105), (3145, 6421)]