16203620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11411}}^1$

素因数の和:11491

約数の個数: 24

約数和(自身を含む): 34509888

約数和(自身を除く): 18306268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11411, 22822, 45644, 57055, 114110, 228220, 810181, 1620362, 3240724, 4050905, 8101810, 16203620]

約数ペア:

[(1, 16203620), (2, 8101810), (4, 4050905), (5, 3240724), (10, 1620362), (20, 810181), (71, 228220), (142, 114110), (284, 57055), (355, 45644), (710, 22822), (1420, 11411)]