16987220

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3709}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 35838600

約数和(自身を除く): 18851380

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 3709, 4580, 7418, 14836, 18545, 37090, 74180, 849361, 1698722, 3397444, 4246805, 8493610, 16987220]

約数ペア:

[(1, 16987220), (2, 8493610), (4, 4246805), (5, 3397444), (10, 1698722), (20, 849361), (229, 74180), (458, 37090), (916, 18545), (1145, 14836), (2290, 7418), (3709, 4580)]